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Finding the Fourth Proportional to 11,041.56, 15,231.24 and 7,000.92

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Solution

The fourth proportional to 11,041.56, 15,231.24 and 7,000.92 is: 9,657.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,041.56 : 15,231.24 = 7,000.92 : x
  2. Step 2: Convert to fraction form
    11,041.56/15,231.24 = 7,000.92/x
  3. Step 3: Cross multiply
    11,041.56x = 15,231.24 × 7,000.92
  4. Step 4: Simplify right side
    11,041.56x = 106,632,692.74
  5. Step 5: Solve for x
    x = 106,632,692.74/11,041.56
  6. Step 6: Final answer
    x = 9,657.39

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Double scale
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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.