Home / 12,848.71-17,736.13-8,373.57

Finding the Fourth Proportional to 12,848.71, 17,736.13 and 8,373.57

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Solution

The fourth proportional to 12,848.71, 17,736.13 and 8,373.57 is: 11,558.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.71 : 17,736.13 = 8,373.57 : x
  2. Step 2: Convert to fraction form
    12,848.71/17,736.13 = 8,373.57/x
  3. Step 3: Cross multiply
    12,848.71x = 17,736.13 × 8,373.57
  4. Step 4: Simplify right side
    12,848.71x = 148,514,726.08
  5. Step 5: Solve for x
    x = 148,514,726.08/12,848.71
  6. Step 6: Final answer
    x = 11,558.73

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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.