Home / 12,062.40-16,650.72-11,729.48

Finding the Fourth Proportional to 12,062.40, 16,650.72 and 11,729.48

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Solution

The fourth proportional to 12,062.40, 16,650.72 and 11,729.48 is: 16,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.40 : 16,650.72 = 11,729.48 : x
  2. Step 2: Convert to fraction form
    12,062.40/16,650.72 = 11,729.48/x
  3. Step 3: Cross multiply
    12,062.40x = 16,650.72 × 11,729.48
  4. Step 4: Simplify right side
    12,062.40x = 195,304,287.23
  5. Step 5: Solve for x
    x = 195,304,287.23/12,062.40
  6. Step 6: Final answer
    x = 16,191.16

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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.