Home / 7,397.76-11,101.68-4,108.80

Finding the Fourth Proportional to 7,397.76, 11,101.68 and 4,108.80

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Solution

The fourth proportional to 7,397.76, 11,101.68 and 4,108.80 is: 6,166.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.76 : 11,101.68 = 4,108.80 : x
  2. Step 2: Convert to fraction form
    7,397.76/11,101.68 = 4,108.80/x
  3. Step 3: Cross multiply
    7,397.76x = 11,101.68 × 4,108.80
  4. Step 4: Simplify right side
    7,397.76x = 45,614,582.78
  5. Step 5: Solve for x
    x = 45,614,582.78/7,397.76
  6. Step 6: Final answer
    x = 6,166.00

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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.