Home / 13,212.32-18,232.97-7,244.17

Finding the Fourth Proportional to 13,212.32, 18,232.97 and 7,244.17

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Solution

The fourth proportional to 13,212.32, 18,232.97 and 7,244.17 is: 9,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.32 : 18,232.97 = 7,244.17 : x
  2. Step 2: Convert to fraction form
    13,212.32/18,232.97 = 7,244.17/x
  3. Step 3: Cross multiply
    13,212.32x = 18,232.97 × 7,244.17
  4. Step 4: Simplify right side
    13,212.32x = 132,082,652.48
  5. Step 5: Solve for x
    x = 132,082,652.48/13,212.32
  6. Step 6: Final answer
    x = 9,996.93

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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.