Home / 12,417.36-18,626.04-5,397.12

Finding the Fourth Proportional to 12,417.36, 18,626.04 and 5,397.12

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Solution

The fourth proportional to 12,417.36, 18,626.04 and 5,397.12 is: 8,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,417.36 : 18,626.04 = 5,397.12 : x
  2. Step 2: Convert to fraction form
    12,417.36/18,626.04 = 5,397.12/x
  3. Step 3: Cross multiply
    12,417.36x = 18,626.04 × 5,397.12
  4. Step 4: Simplify right side
    12,417.36x = 100,526,973.00
  5. Step 5: Solve for x
    x = 100,526,973.00/12,417.36
  6. Step 6: Final answer
    x = 8,095.68

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.