Home / 12,717.73-19,071.80-5,322.70

Finding the Fourth Proportional to 12,717.73, 19,071.80 and 5,322.70

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Solution

The fourth proportional to 12,717.73, 19,071.80 and 5,322.70 is: 7,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,717.73 : 19,071.80 = 5,322.70 : x
  2. Step 2: Convert to fraction form
    12,717.73/19,071.80 = 5,322.70/x
  3. Step 3: Cross multiply
    12,717.73x = 19,071.80 × 5,322.70
  4. Step 4: Simplify right side
    12,717.73x = 101,513,469.86
  5. Step 5: Solve for x
    x = 101,513,469.86/12,717.73
  6. Step 6: Final answer
    x = 7,982.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.