Home / 9,173.30-12,658.29-6,343.70

Finding the Fourth Proportional to 9,173.30, 12,658.29 and 6,343.70

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Solution

The fourth proportional to 9,173.30, 12,658.29 and 6,343.70 is: 8,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.30 : 12,658.29 = 6,343.70 : x
  2. Step 2: Convert to fraction form
    9,173.30/12,658.29 = 6,343.70/x
  3. Step 3: Cross multiply
    9,173.30x = 12,658.29 × 6,343.70
  4. Step 4: Simplify right side
    9,173.30x = 80,300,394.27
  5. Step 5: Solve for x
    x = 80,300,394.27/9,173.30
  6. Step 6: Final answer
    x = 8,753.71

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Half scale
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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.