Home / 10,153.32-15,234.30-5,705.61

Finding the Fourth Proportional to 10,153.32, 15,234.30 and 5,705.61

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Solution

The fourth proportional to 10,153.32, 15,234.30 and 5,705.61 is: 8,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.32 : 15,234.30 = 5,705.61 : x
  2. Step 2: Convert to fraction form
    10,153.32/15,234.30 = 5,705.61/x
  3. Step 3: Cross multiply
    10,153.32x = 15,234.30 × 5,705.61
  4. Step 4: Simplify right side
    10,153.32x = 86,920,974.42
  5. Step 5: Solve for x
    x = 86,920,974.42/10,153.32
  6. Step 6: Final answer
    x = 8,560.84

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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.