Home / 7,732.48-11,572.80-6,345.76

Finding the Fourth Proportional to 7,732.48, 11,572.80 and 6,345.76

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Solution

The fourth proportional to 7,732.48, 11,572.80 and 6,345.76 is: 9,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,732.48 : 11,572.80 = 6,345.76 : x
  2. Step 2: Convert to fraction form
    7,732.48/11,572.80 = 6,345.76/x
  3. Step 3: Cross multiply
    7,732.48x = 11,572.80 × 6,345.76
  4. Step 4: Simplify right side
    7,732.48x = 73,438,211.33
  5. Step 5: Solve for x
    x = 73,438,211.33/7,732.48
  6. Step 6: Final answer
    x = 9,497.37

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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.