Home / 7,561.38-10,444.68-6,306.54

Finding the Fourth Proportional to 7,561.38, 10,444.68 and 6,306.54

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Solution

The fourth proportional to 7,561.38, 10,444.68 and 6,306.54 is: 8,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.38 : 10,444.68 = 6,306.54 : x
  2. Step 2: Convert to fraction form
    7,561.38/10,444.68 = 6,306.54/x
  3. Step 3: Cross multiply
    7,561.38x = 10,444.68 × 6,306.54
  4. Step 4: Simplify right side
    7,561.38x = 65,869,792.21
  5. Step 5: Solve for x
    x = 65,869,792.21/7,561.38
  6. Step 6: Final answer
    x = 8,711.35

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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.