Home / 10,974.24-15,114.06-9,481.68

Finding the Fourth Proportional to 10,974.24, 15,114.06 and 9,481.68

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Solution

The fourth proportional to 10,974.24, 15,114.06 and 9,481.68 is: 13,058.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974.24 : 15,114.06 = 9,481.68 : x
  2. Step 2: Convert to fraction form
    10,974.24/15,114.06 = 9,481.68/x
  3. Step 3: Cross multiply
    10,974.24x = 15,114.06 × 9,481.68
  4. Step 4: Simplify right side
    10,974.24x = 143,306,680.42
  5. Step 5: Solve for x
    x = 143,306,680.42/10,974.24
  6. Step 6: Final answer
    x = 13,058.46

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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.