Home / 10,080.66-15,120.18-6,372.08

Finding the Fourth Proportional to 10,080.66, 15,120.18 and 6,372.08

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Solution

The fourth proportional to 10,080.66, 15,120.18 and 6,372.08 is: 9,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.66 : 15,120.18 = 6,372.08 : x
  2. Step 2: Convert to fraction form
    10,080.66/15,120.18 = 6,372.08/x
  3. Step 3: Cross multiply
    10,080.66x = 15,120.18 × 6,372.08
  4. Step 4: Simplify right side
    10,080.66x = 96,346,920.97
  5. Step 5: Solve for x
    x = 96,346,920.97/10,080.66
  6. Step 6: Final answer
    x = 9,557.60

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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.