Home / 10,036.80-15,060.96-4,489.92

Finding the Fourth Proportional to 10,036.80, 15,060.96 and 4,489.92

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Solution

The fourth proportional to 10,036.80, 15,060.96 and 4,489.92 is: 6,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,036.80 : 15,060.96 = 4,489.92 : x
  2. Step 2: Convert to fraction form
    10,036.80/15,060.96 = 4,489.92/x
  3. Step 3: Cross multiply
    10,036.80x = 15,060.96 × 4,489.92
  4. Step 4: Simplify right side
    10,036.80x = 67,622,505.52
  5. Step 5: Solve for x
    x = 67,622,505.52/10,036.80
  6. Step 6: Final answer
    x = 6,737.46

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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.