Home / 12,853.52-17,742.32-8,833.66

Finding the Fourth Proportional to 12,853.52, 17,742.32 and 8,833.66

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Solution

The fourth proportional to 12,853.52, 17,742.32 and 8,833.66 is: 12,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853.52 : 17,742.32 = 8,833.66 : x
  2. Step 2: Convert to fraction form
    12,853.52/17,742.32 = 8,833.66/x
  3. Step 3: Cross multiply
    12,853.52x = 17,742.32 × 8,833.66
  4. Step 4: Simplify right side
    12,853.52x = 156,729,622.49
  5. Step 5: Solve for x
    x = 156,729,622.49/12,853.52
  6. Step 6: Final answer
    x = 12,193.52

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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.