Home / 10,288.30-15,432.33-2,497.12

Finding the Fourth Proportional to 10,288.30, 15,432.33 and 2,497.12

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Solution

The fourth proportional to 10,288.30, 15,432.33 and 2,497.12 is: 3,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.30 : 15,432.33 = 2,497.12 : x
  2. Step 2: Convert to fraction form
    10,288.30/15,432.33 = 2,497.12/x
  3. Step 3: Cross multiply
    10,288.30x = 15,432.33 × 2,497.12
  4. Step 4: Simplify right side
    10,288.30x = 38,536,379.89
  5. Step 5: Solve for x
    x = 38,536,379.89/10,288.30
  6. Step 6: Final answer
    x = 3,745.65

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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.