Home / 28,337.12-42,502.44-7,562.24

Finding the Fourth Proportional to 28,337.12, 42,502.44 and 7,562.24

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Solution

The fourth proportional to 28,337.12, 42,502.44 and 7,562.24 is: 11,342.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337.12 : 42,502.44 = 7,562.24 : x
  2. Step 2: Convert to fraction form
    28,337.12/42,502.44 = 7,562.24/x
  3. Step 3: Cross multiply
    28,337.12x = 42,502.44 × 7,562.24
  4. Step 4: Simplify right side
    28,337.12x = 321,413,651.87
  5. Step 5: Solve for x
    x = 321,413,651.87/28,337.12
  6. Step 6: Final answer
    x = 11,342.50

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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.