Home / 10,167.49-15,250.16-4,900.87

Finding the Fourth Proportional to 10,167.49, 15,250.16 and 4,900.87

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Solution

The fourth proportional to 10,167.49, 15,250.16 and 4,900.87 is: 7,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.49 : 15,250.16 = 4,900.87 : x
  2. Step 2: Convert to fraction form
    10,167.49/15,250.16 = 4,900.87/x
  3. Step 3: Cross multiply
    10,167.49x = 15,250.16 × 4,900.87
  4. Step 4: Simplify right side
    10,167.49x = 74,739,027.13
  5. Step 5: Solve for x
    x = 74,739,027.13/10,167.49
  6. Step 6: Final answer
    x = 7,350.78

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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.