Home / 10,445.04-15,672.24-5,702.76

Finding the Fourth Proportional to 10,445.04, 15,672.24 and 5,702.76

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Solution

The fourth proportional to 10,445.04, 15,672.24 and 5,702.76 is: 8,556.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,445.04 : 15,672.24 = 5,702.76 : x
  2. Step 2: Convert to fraction form
    10,445.04/15,672.24 = 5,702.76/x
  3. Step 3: Cross multiply
    10,445.04x = 15,672.24 × 5,702.76
  4. Step 4: Simplify right side
    10,445.04x = 89,375,023.38
  5. Step 5: Solve for x
    x = 89,375,023.38/10,445.04
  6. Step 6: Final answer
    x = 8,556.70

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1.5x scale

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.