Home / 11,522.76-15,902.96-6,487.98

Finding the Fourth Proportional to 11,522.76, 15,902.96 and 6,487.98

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Solution

The fourth proportional to 11,522.76, 15,902.96 and 6,487.98 is: 8,954.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.76 : 15,902.96 = 6,487.98 : x
  2. Step 2: Convert to fraction form
    11,522.76/15,902.96 = 6,487.98/x
  3. Step 3: Cross multiply
    11,522.76x = 15,902.96 × 6,487.98
  4. Step 4: Simplify right side
    11,522.76x = 103,178,053.98
  5. Step 5: Solve for x
    x = 103,178,053.98/11,522.76
  6. Step 6: Final answer
    x = 8,954.28

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Half scale
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Double scale
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Similar ratio
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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.