Home / 9,451.38-13,042.35-5,472.21

Finding the Fourth Proportional to 9,451.38, 13,042.35 and 5,472.21

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Solution

The fourth proportional to 9,451.38, 13,042.35 and 5,472.21 is: 7,551.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451.38 : 13,042.35 = 5,472.21 : x
  2. Step 2: Convert to fraction form
    9,451.38/13,042.35 = 5,472.21/x
  3. Step 3: Cross multiply
    9,451.38x = 13,042.35 × 5,472.21
  4. Step 4: Simplify right side
    9,451.38x = 71,370,478.09
  5. Step 5: Solve for x
    x = 71,370,478.09/9,451.38
  6. Step 6: Final answer
    x = 7,551.33

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Half scale
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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.