Home / 10,179.54-15,249.40-7,016.42

Finding the Fourth Proportional to 10,179.54, 15,249.40 and 7,016.42

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Solution

The fourth proportional to 10,179.54, 15,249.40 and 7,016.42 is: 10,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.54 : 15,249.40 = 7,016.42 : x
  2. Step 2: Convert to fraction form
    10,179.54/15,249.40 = 7,016.42/x
  3. Step 3: Cross multiply
    10,179.54x = 15,249.40 × 7,016.42
  4. Step 4: Simplify right side
    10,179.54x = 106,996,215.73
  5. Step 5: Solve for x
    x = 106,996,215.73/10,179.54
  6. Step 6: Final answer
    x = 10,510.91

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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.