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Finding the Fourth Proportional to 11,366.08, 15,687.20 and 9,026.08

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Solution

The fourth proportional to 11,366.08, 15,687.20 and 9,026.08 is: 12,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.08 : 15,687.20 = 9,026.08 : x
  2. Step 2: Convert to fraction form
    11,366.08/15,687.20 = 9,026.08/x
  3. Step 3: Cross multiply
    11,366.08x = 15,687.20 × 9,026.08
  4. Step 4: Simplify right side
    11,366.08x = 141,593,922.18
  5. Step 5: Solve for x
    x = 141,593,922.18/11,366.08
  6. Step 6: Final answer
    x = 12,457.59

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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.