Home / 10,124.92-15,177.30-7,040.44

Finding the Fourth Proportional to 10,124.92, 15,177.30 and 7,040.44

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Solution

The fourth proportional to 10,124.92, 15,177.30 and 7,040.44 is: 10,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.92 : 15,177.30 = 7,040.44 : x
  2. Step 2: Convert to fraction form
    10,124.92/15,177.30 = 7,040.44/x
  3. Step 3: Cross multiply
    10,124.92x = 15,177.30 × 7,040.44
  4. Step 4: Simplify right side
    10,124.92x = 106,854,870.01
  5. Step 5: Solve for x
    x = 106,854,870.01/10,124.92
  6. Step 6: Final answer
    x = 10,553.65

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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.