Home / 10,724.80-16,085.28-2,932.96

Finding the Fourth Proportional to 10,724.80, 16,085.28 and 2,932.96

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Solution

The fourth proportional to 10,724.80, 16,085.28 and 2,932.96 is: 4,398.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,724.80 : 16,085.28 = 2,932.96 : x
  2. Step 2: Convert to fraction form
    10,724.80/16,085.28 = 2,932.96/x
  3. Step 3: Cross multiply
    10,724.80x = 16,085.28 × 2,932.96
  4. Step 4: Simplify right side
    10,724.80x = 47,177,482.83
  5. Step 5: Solve for x
    x = 47,177,482.83/10,724.80
  6. Step 6: Final answer
    x = 4,398.91

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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.