Home / 10,566.40-15,844.20-3,902.56

Finding the Fourth Proportional to 10,566.40, 15,844.20 and 3,902.56

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Solution

The fourth proportional to 10,566.40, 15,844.20 and 3,902.56 is: 5,851.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,566.40 : 15,844.20 = 3,902.56 : x
  2. Step 2: Convert to fraction form
    10,566.40/15,844.20 = 3,902.56/x
  3. Step 3: Cross multiply
    10,566.40x = 15,844.20 × 3,902.56
  4. Step 4: Simplify right side
    10,566.40x = 61,832,941.15
  5. Step 5: Solve for x
    x = 61,832,941.15/10,566.40
  6. Step 6: Final answer
    x = 5,851.85

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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.