Home / 7,726.72-11,582.16-4,432.96

Finding the Fourth Proportional to 7,726.72, 11,582.16 and 4,432.96

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Solution

The fourth proportional to 7,726.72, 11,582.16 and 4,432.96 is: 6,644.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.72 : 11,582.16 = 4,432.96 : x
  2. Step 2: Convert to fraction form
    7,726.72/11,582.16 = 4,432.96/x
  3. Step 3: Cross multiply
    7,726.72x = 11,582.16 × 4,432.96
  4. Step 4: Simplify right side
    7,726.72x = 51,343,251.99
  5. Step 5: Solve for x
    x = 51,343,251.99/7,726.72
  6. Step 6: Final answer
    x = 6,644.90

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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.