Home / 8,750.31-13,119.66-4,585.29

Finding the Fourth Proportional to 8,750.31, 13,119.66 and 4,585.29

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Solution

The fourth proportional to 8,750.31, 13,119.66 and 4,585.29 is: 6,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.31 : 13,119.66 = 4,585.29 : x
  2. Step 2: Convert to fraction form
    8,750.31/13,119.66 = 4,585.29/x
  3. Step 3: Cross multiply
    8,750.31x = 13,119.66 × 4,585.29
  4. Step 4: Simplify right side
    8,750.31x = 60,157,445.80
  5. Step 5: Solve for x
    x = 60,157,445.80/8,750.31
  6. Step 6: Final answer
    x = 6,874.89

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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.