Home / 10,932.14-15,086.18-6,216.32

Finding the Fourth Proportional to 10,932.14, 15,086.18 and 6,216.32

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Solution

The fourth proportional to 10,932.14, 15,086.18 and 6,216.32 is: 8,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.14 : 15,086.18 = 6,216.32 : x
  2. Step 2: Convert to fraction form
    10,932.14/15,086.18 = 6,216.32/x
  3. Step 3: Cross multiply
    10,932.14x = 15,086.18 × 6,216.32
  4. Step 4: Simplify right side
    10,932.14x = 93,780,522.46
  5. Step 5: Solve for x
    x = 93,780,522.46/10,932.14
  6. Step 6: Final answer
    x = 8,578.42

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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.