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Finding the Fourth Proportional to 8,743.95, 12,071.54 and 6,695.97

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Solution

The fourth proportional to 8,743.95, 12,071.54 and 6,695.97 is: 9,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,743.95 : 12,071.54 = 6,695.97 : x
  2. Step 2: Convert to fraction form
    8,743.95/12,071.54 = 6,695.97/x
  3. Step 3: Cross multiply
    8,743.95x = 12,071.54 × 6,695.97
  4. Step 4: Simplify right side
    8,743.95x = 80,830,669.69
  5. Step 5: Solve for x
    x = 80,830,669.69/8,743.95
  6. Step 6: Final answer
    x = 9,244.18

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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.