Home / 12,932.78-17,833.11-8,733.74

Finding the Fourth Proportional to 12,932.78, 17,833.11 and 8,733.74

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Solution

The fourth proportional to 12,932.78, 17,833.11 and 8,733.74 is: 12,043.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,932.78 : 17,833.11 = 8,733.74 : x
  2. Step 2: Convert to fraction form
    12,932.78/17,833.11 = 8,733.74/x
  3. Step 3: Cross multiply
    12,932.78x = 17,833.11 × 8,733.74
  4. Step 4: Simplify right side
    12,932.78x = 155,749,746.13
  5. Step 5: Solve for x
    x = 155,749,746.13/12,932.78
  6. Step 6: Final answer
    x = 12,043.02

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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.