Home / 10,876.66-15,017.01-8,354.26

Finding the Fourth Proportional to 10,876.66, 15,017.01 and 8,354.26

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Solution

The fourth proportional to 10,876.66, 15,017.01 and 8,354.26 is: 11,534.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.66 : 15,017.01 = 8,354.26 : x
  2. Step 2: Convert to fraction form
    10,876.66/15,017.01 = 8,354.26/x
  3. Step 3: Cross multiply
    10,876.66x = 15,017.01 × 8,354.26
  4. Step 4: Simplify right side
    10,876.66x = 125,456,005.96
  5. Step 5: Solve for x
    x = 125,456,005.96/10,876.66
  6. Step 6: Final answer
    x = 11,534.42

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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.