Home / 13,237.47-18,262.49-8,524.49

Finding the Fourth Proportional to 13,237.47, 18,262.49 and 8,524.49

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Solution

The fourth proportional to 13,237.47, 18,262.49 and 8,524.49 is: 11,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.47 : 18,262.49 = 8,524.49 : x
  2. Step 2: Convert to fraction form
    13,237.47/18,262.49 = 8,524.49/x
  3. Step 3: Cross multiply
    13,237.47x = 18,262.49 × 8,524.49
  4. Step 4: Simplify right side
    13,237.47x = 155,678,279.45
  5. Step 5: Solve for x
    x = 155,678,279.45/13,237.47
  6. Step 6: Final answer
    x = 11,760.43

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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.