Home / 9,140.67-12,614.12-4,948.92

Finding the Fourth Proportional to 9,140.67, 12,614.12 and 4,948.92

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Solution

The fourth proportional to 9,140.67, 12,614.12 and 4,948.92 is: 6,829.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.67 : 12,614.12 = 4,948.92 : x
  2. Step 2: Convert to fraction form
    9,140.67/12,614.12 = 4,948.92/x
  3. Step 3: Cross multiply
    9,140.67x = 12,614.12 × 4,948.92
  4. Step 4: Simplify right side
    9,140.67x = 62,426,270.75
  5. Step 5: Solve for x
    x = 62,426,270.75/9,140.67
  6. Step 6: Final answer
    x = 6,829.51

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Double 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.