Home / 9,707.38-13,396.18-5,516.44

Finding the Fourth Proportional to 9,707.38, 13,396.18 and 5,516.44

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Solution

The fourth proportional to 9,707.38, 13,396.18 and 5,516.44 is: 7,612.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,707.38 : 13,396.18 = 5,516.44 : x
  2. Step 2: Convert to fraction form
    9,707.38/13,396.18 = 5,516.44/x
  3. Step 3: Cross multiply
    9,707.38x = 13,396.18 × 5,516.44
  4. Step 4: Simplify right side
    9,707.38x = 73,899,156.22
  5. Step 5: Solve for x
    x = 73,899,156.22/9,707.38
  6. Step 6: Final answer
    x = 7,612.68

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Half scale
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Double scale
Find fourth proportional to 9,708.38, 13,397.56 and 5,517.44
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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.