Home / 10,881.11-15,016.22-6,165.35

Finding the Fourth Proportional to 10,881.11, 15,016.22 and 6,165.35

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Solution

The fourth proportional to 10,881.11, 15,016.22 and 6,165.35 is: 8,508.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,881.11 : 15,016.22 = 6,165.35 : x
  2. Step 2: Convert to fraction form
    10,881.11/15,016.22 = 6,165.35/x
  3. Step 3: Cross multiply
    10,881.11x = 15,016.22 × 6,165.35
  4. Step 4: Simplify right side
    10,881.11x = 92,580,146.07
  5. Step 5: Solve for x
    x = 92,580,146.07/10,881.11
  6. Step 6: Final answer
    x = 8,508.34

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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.