Home / 9,140.04-12,613.28-4,948.32

Finding the Fourth Proportional to 9,140.04, 12,613.28 and 4,948.32

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Solution

The fourth proportional to 9,140.04, 12,613.28 and 4,948.32 is: 6,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.04 : 12,613.28 = 4,948.32 : x
  2. Step 2: Convert to fraction form
    9,140.04/12,613.28 = 4,948.32/x
  3. Step 3: Cross multiply
    9,140.04x = 12,613.28 × 4,948.32
  4. Step 4: Simplify right side
    9,140.04x = 62,414,545.69
  5. Step 5: Solve for x
    x = 62,414,545.69/9,140.04
  6. Step 6: Final answer
    x = 6,828.70

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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.