Home / 12,445.06-17,174.17-6,856.06

Finding the Fourth Proportional to 12,445.06, 17,174.17 and 6,856.06

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Solution

The fourth proportional to 12,445.06, 17,174.17 and 6,856.06 is: 9,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445.06 : 17,174.17 = 6,856.06 : x
  2. Step 2: Convert to fraction form
    12,445.06/17,174.17 = 6,856.06/x
  3. Step 3: Cross multiply
    12,445.06x = 17,174.17 × 6,856.06
  4. Step 4: Simplify right side
    12,445.06x = 117,747,139.97
  5. Step 5: Solve for x
    x = 117,747,139.97/12,445.06
  6. Step 6: Final answer
    x = 9,461.36

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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.