Home / 10,190.52-15,278.45-5,000.04

Finding the Fourth Proportional to 10,190.52, 15,278.45 and 5,000.04

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Solution

The fourth proportional to 10,190.52, 15,278.45 and 5,000.04 is: 7,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.52 : 15,278.45 = 5,000.04 : x
  2. Step 2: Convert to fraction form
    10,190.52/15,278.45 = 5,000.04/x
  3. Step 3: Cross multiply
    10,190.52x = 15,278.45 × 5,000.04
  4. Step 4: Simplify right side
    10,190.52x = 76,392,836.14
  5. Step 5: Solve for x
    x = 76,392,836.14/10,190.52
  6. Step 6: Final answer
    x = 7,496.46

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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.