Home / 7,037.28-10,545.44-6,414.91

Finding the Fourth Proportional to 7,037.28, 10,545.44 and 6,414.91

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Solution

The fourth proportional to 7,037.28, 10,545.44 and 6,414.91 is: 9,612.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,037.28 : 10,545.44 = 6,414.91 : x
  2. Step 2: Convert to fraction form
    7,037.28/10,545.44 = 6,414.91/x
  3. Step 3: Cross multiply
    7,037.28x = 10,545.44 × 6,414.91
  4. Step 4: Simplify right side
    7,037.28x = 67,647,990.07
  5. Step 5: Solve for x
    x = 67,647,990.07/7,037.28
  6. Step 6: Final answer
    x = 9,612.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.