Home / 11,301.30-16,947.90-5,752.80

Finding the Fourth Proportional to 11,301.30, 16,947.90 and 5,752.80

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Solution

The fourth proportional to 11,301.30, 16,947.90 and 5,752.80 is: 8,627.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.30 : 16,947.90 = 5,752.80 : x
  2. Step 2: Convert to fraction form
    11,301.30/16,947.90 = 5,752.80/x
  3. Step 3: Cross multiply
    11,301.30x = 16,947.90 × 5,752.80
  4. Step 4: Simplify right side
    11,301.30x = 97,497,879.12
  5. Step 5: Solve for x
    x = 97,497,879.12/11,301.30
  6. Step 6: Final answer
    x = 8,627.14

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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.