Home / 11,658.39-16,088.72-6,353.19

Finding the Fourth Proportional to 11,658.39, 16,088.72 and 6,353.19

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Solution

The fourth proportional to 11,658.39, 16,088.72 and 6,353.19 is: 8,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,658.39 : 16,088.72 = 6,353.19 : x
  2. Step 2: Convert to fraction form
    11,658.39/16,088.72 = 6,353.19/x
  3. Step 3: Cross multiply
    11,658.39x = 16,088.72 × 6,353.19
  4. Step 4: Simplify right side
    11,658.39x = 102,214,695.02
  5. Step 5: Solve for x
    x = 102,214,695.02/11,658.39
  6. Step 6: Final answer
    x = 8,767.48

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Half scale
Find fourth proportional to 23,316.78, 32,177.44 and 12,706.38
Double scale
Find fourth proportional to 11,659.39, 16,090.10 and 6,354.19
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.