Home / 10,354.08-15,531.60-2,959.59

Finding the Fourth Proportional to 10,354.08, 15,531.60 and 2,959.59

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Solution

The fourth proportional to 10,354.08, 15,531.60 and 2,959.59 is: 4,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.08 : 15,531.60 = 2,959.59 : x
  2. Step 2: Convert to fraction form
    10,354.08/15,531.60 = 2,959.59/x
  3. Step 3: Cross multiply
    10,354.08x = 15,531.60 × 2,959.59
  4. Step 4: Simplify right side
    10,354.08x = 45,967,168.04
  5. Step 5: Solve for x
    x = 45,967,168.04/10,354.08
  6. Step 6: Final answer
    x = 4,439.52

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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.