Home / 7,542.52-11,311.86-2,345.72

Finding the Fourth Proportional to 7,542.52, 11,311.86 and 2,345.72

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Solution

The fourth proportional to 7,542.52, 11,311.86 and 2,345.72 is: 3,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.52 : 11,311.86 = 2,345.72 : x
  2. Step 2: Convert to fraction form
    7,542.52/11,311.86 = 2,345.72/x
  3. Step 3: Cross multiply
    7,542.52x = 11,311.86 × 2,345.72
  4. Step 4: Simplify right side
    7,542.52x = 26,534,456.24
  5. Step 5: Solve for x
    x = 26,534,456.24/7,542.52
  6. Step 6: Final answer
    x = 3,517.98

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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.