Home / 10,299.92-15,444.84-3,725.12

Finding the Fourth Proportional to 10,299.92, 15,444.84 and 3,725.12

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Solution

The fourth proportional to 10,299.92, 15,444.84 and 3,725.12 is: 5,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,299.92 : 15,444.84 = 3,725.12 : x
  2. Step 2: Convert to fraction form
    10,299.92/15,444.84 = 3,725.12/x
  3. Step 3: Cross multiply
    10,299.92x = 15,444.84 × 3,725.12
  4. Step 4: Simplify right side
    10,299.92x = 57,533,882.38
  5. Step 5: Solve for x
    x = 57,533,882.38/10,299.92
  6. Step 6: Final answer
    x = 5,585.86

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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.