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Finding the Fourth Proportional to 11,266.95, 15,552.08 and 7,910.59

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Solution

The fourth proportional to 11,266.95, 15,552.08 and 7,910.59 is: 10,919.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,266.95 : 15,552.08 = 7,910.59 : x
  2. Step 2: Convert to fraction form
    11,266.95/15,552.08 = 7,910.59/x
  3. Step 3: Cross multiply
    11,266.95x = 15,552.08 × 7,910.59
  4. Step 4: Simplify right side
    11,266.95x = 123,026,128.53
  5. Step 5: Solve for x
    x = 123,026,128.53/11,266.95
  6. Step 6: Final answer
    x = 10,919.20

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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.