Home / 7,449.80-11,177.28-4,673.18

Finding the Fourth Proportional to 7,449.80, 11,177.28 and 4,673.18

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Solution

The fourth proportional to 7,449.80, 11,177.28 and 4,673.18 is: 7,011.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.80 : 11,177.28 = 4,673.18 : x
  2. Step 2: Convert to fraction form
    7,449.80/11,177.28 = 4,673.18/x
  3. Step 3: Cross multiply
    7,449.80x = 11,177.28 × 4,673.18
  4. Step 4: Simplify right side
    7,449.80x = 52,233,385.46
  5. Step 5: Solve for x
    x = 52,233,385.46/7,449.80
  6. Step 6: Final answer
    x = 7,011.39

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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.