Home / 10,791.12-16,179.98-4,547.92

Finding the Fourth Proportional to 10,791.12, 16,179.98 and 4,547.92

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Solution

The fourth proportional to 10,791.12, 16,179.98 and 4,547.92 is: 6,819.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.12 : 16,179.98 = 4,547.92 : x
  2. Step 2: Convert to fraction form
    10,791.12/16,179.98 = 4,547.92/x
  3. Step 3: Cross multiply
    10,791.12x = 16,179.98 × 4,547.92
  4. Step 4: Simplify right side
    10,791.12x = 73,585,254.64
  5. Step 5: Solve for x
    x = 73,585,254.64/10,791.12
  6. Step 6: Final answer
    x = 6,819.06

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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.