Home / 10,381.07-15,562.35-3,805.73

Finding the Fourth Proportional to 10,381.07, 15,562.35 and 3,805.73

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Solution

The fourth proportional to 10,381.07, 15,562.35 and 3,805.73 is: 5,705.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.07 : 15,562.35 = 3,805.73 : x
  2. Step 2: Convert to fraction form
    10,381.07/15,562.35 = 3,805.73/x
  3. Step 3: Cross multiply
    10,381.07x = 15,562.35 × 3,805.73
  4. Step 4: Simplify right side
    10,381.07x = 59,226,024.45
  5. Step 5: Solve for x
    x = 59,226,024.45/10,381.07
  6. Step 6: Final answer
    x = 5,705.19

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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.