Home / 12,445.24-17,174.42-6,856.24

Finding the Fourth Proportional to 12,445.24, 17,174.42 and 6,856.24

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Solution

The fourth proportional to 12,445.24, 17,174.42 and 6,856.24 is: 9,461.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445.24 : 17,174.42 = 6,856.24 : x
  2. Step 2: Convert to fraction form
    12,445.24/17,174.42 = 6,856.24/x
  3. Step 3: Cross multiply
    12,445.24x = 17,174.42 × 6,856.24
  4. Step 4: Simplify right side
    12,445.24x = 117,751,945.38
  5. Step 5: Solve for x
    x = 117,751,945.38/12,445.24
  6. Step 6: Final answer
    x = 9,461.61

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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.