Home / 12,402.36-17,113.45-7,096.18

Finding the Fourth Proportional to 12,402.36, 17,113.45 and 7,096.18

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Solution

The fourth proportional to 12,402.36, 17,113.45 and 7,096.18 is: 9,791.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,402.36 : 17,113.45 = 7,096.18 : x
  2. Step 2: Convert to fraction form
    12,402.36/17,113.45 = 7,096.18/x
  3. Step 3: Cross multiply
    12,402.36x = 17,113.45 × 7,096.18
  4. Step 4: Simplify right side
    12,402.36x = 121,440,121.62
  5. Step 5: Solve for x
    x = 121,440,121.62/12,402.36
  6. Step 6: Final answer
    x = 9,791.69

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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.