Home / 10,872.04-15,003.38-5,904.04

Finding the Fourth Proportional to 10,872.04, 15,003.38 and 5,904.04

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Solution

The fourth proportional to 10,872.04, 15,003.38 and 5,904.04 is: 8,147.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872.04 : 15,003.38 = 5,904.04 : x
  2. Step 2: Convert to fraction form
    10,872.04/15,003.38 = 5,904.04/x
  3. Step 3: Cross multiply
    10,872.04x = 15,003.38 × 5,904.04
  4. Step 4: Simplify right side
    10,872.04x = 88,580,555.66
  5. Step 5: Solve for x
    x = 88,580,555.66/10,872.04
  6. Step 6: Final answer
    x = 8,147.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.