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Finding the Fourth Proportional to 12,248.58, 16,902.36 and 6,943.08

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Solution

The fourth proportional to 12,248.58, 16,902.36 and 6,943.08 is: 9,581.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,248.58 : 16,902.36 = 6,943.08 : x
  2. Step 2: Convert to fraction form
    12,248.58/16,902.36 = 6,943.08/x
  3. Step 3: Cross multiply
    12,248.58x = 16,902.36 × 6,943.08
  4. Step 4: Simplify right side
    12,248.58x = 117,354,437.67
  5. Step 5: Solve for x
    x = 117,354,437.67/12,248.58
  6. Step 6: Final answer
    x = 9,581.06

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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.