Home / 11,118.31-15,343.56-6,082.81

Finding the Fourth Proportional to 11,118.31, 15,343.56 and 6,082.81

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Solution

The fourth proportional to 11,118.31, 15,343.56 and 6,082.81 is: 8,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.31 : 15,343.56 = 6,082.81 : x
  2. Step 2: Convert to fraction form
    11,118.31/15,343.56 = 6,082.81/x
  3. Step 3: Cross multiply
    11,118.31x = 15,343.56 × 6,082.81
  4. Step 4: Simplify right side
    11,118.31x = 93,331,921.84
  5. Step 5: Solve for x
    x = 93,331,921.84/11,118.31
  6. Step 6: Final answer
    x = 8,394.44

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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.