Home / 13,299.41-18,352.94-7,249.71

Finding the Fourth Proportional to 13,299.41, 18,352.94 and 7,249.71

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Solution

The fourth proportional to 13,299.41, 18,352.94 and 7,249.71 is: 10,004.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.41 : 18,352.94 = 7,249.71 : x
  2. Step 2: Convert to fraction form
    13,299.41/18,352.94 = 7,249.71/x
  3. Step 3: Cross multiply
    13,299.41x = 18,352.94 × 7,249.71
  4. Step 4: Simplify right side
    13,299.41x = 133,053,364.63
  5. Step 5: Solve for x
    x = 133,053,364.63/13,299.41
  6. Step 6: Final answer
    x = 10,004.46

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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.