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Finding the Fourth Proportional to 12,248.47, 16,903.25 and 6,943.11

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Solution

The fourth proportional to 12,248.47, 16,903.25 and 6,943.11 is: 9,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.47 : 16,903.25 = 6,943.11 : x
  2. Step 2: Convert to fraction form
    12,248.47/16,903.25 = 6,943.11/x
  3. Step 3: Cross multiply
    12,248.47x = 16,903.25 × 6,943.11
  4. Step 4: Simplify right side
    12,248.47x = 117,361,124.11
  5. Step 5: Solve for x
    x = 117,361,124.11/12,248.47
  6. Step 6: Final answer
    x = 9,581.70

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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.