Home / 11,001.73-15,182.29-6,222.61

Finding the Fourth Proportional to 11,001.73, 15,182.29 and 6,222.61

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Solution

The fourth proportional to 11,001.73, 15,182.29 and 6,222.61 is: 8,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.73 : 15,182.29 = 6,222.61 : x
  2. Step 2: Convert to fraction form
    11,001.73/15,182.29 = 6,222.61/x
  3. Step 3: Cross multiply
    11,001.73x = 15,182.29 × 6,222.61
  4. Step 4: Simplify right side
    11,001.73x = 94,473,438.46
  5. Step 5: Solve for x
    x = 94,473,438.46/11,001.73
  6. Step 6: Final answer
    x = 8,587.15

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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.