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Finding the Fourth Proportional to 12,248.45, 16,903.04 and 6,943.15

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Solution

The fourth proportional to 12,248.45, 16,903.04 and 6,943.15 is: 9,581.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.45 : 16,903.04 = 6,943.15 : x
  2. Step 2: Convert to fraction form
    12,248.45/16,903.04 = 6,943.15/x
  3. Step 3: Cross multiply
    12,248.45x = 16,903.04 × 6,943.15
  4. Step 4: Simplify right side
    12,248.45x = 117,360,342.18
  5. Step 5: Solve for x
    x = 117,360,342.18/12,248.45
  6. Step 6: Final answer
    x = 9,581.65

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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.