Home / 7,475.19-11,213.15-3,310.71

Finding the Fourth Proportional to 7,475.19, 11,213.15 and 3,310.71

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Solution

The fourth proportional to 7,475.19, 11,213.15 and 3,310.71 is: 4,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.19 : 11,213.15 = 3,310.71 : x
  2. Step 2: Convert to fraction form
    7,475.19/11,213.15 = 3,310.71/x
  3. Step 3: Cross multiply
    7,475.19x = 11,213.15 × 3,310.71
  4. Step 4: Simplify right side
    7,475.19x = 37,123,471.28
  5. Step 5: Solve for x
    x = 37,123,471.28/7,475.19
  6. Step 6: Final answer
    x = 4,966.22

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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.