Home / 11,658.38-16,088.57-6,353.20

Finding the Fourth Proportional to 11,658.38, 16,088.57 and 6,353.20

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Solution

The fourth proportional to 11,658.38, 16,088.57 and 6,353.20 is: 8,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,658.38 : 16,088.57 = 6,353.20 : x
  2. Step 2: Convert to fraction form
    11,658.38/16,088.57 = 6,353.20/x
  3. Step 3: Cross multiply
    11,658.38x = 16,088.57 × 6,353.20
  4. Step 4: Simplify right side
    11,658.38x = 102,213,790.72
  5. Step 5: Solve for x
    x = 102,213,790.72/11,658.38
  6. Step 6: Final answer
    x = 8,767.41

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Find fourth proportional to 5,829.19, 8,044.28 and 3,176.60
Half scale
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Double scale
Find fourth proportional to 11,659.38, 16,089.95 and 6,354.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.