Home / 11,928.56-17,882.16-4,528

Finding the Fourth Proportional to 11,928.56, 17,882.16 and 4,528

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Solution

The fourth proportional to 11,928.56, 17,882.16 and 4,528 is: 6,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.56 : 17,882.16 = 4,528 : x
  2. Step 2: Convert to fraction form
    11,928.56/17,882.16 = 4,528/x
  3. Step 3: Cross multiply
    11,928.56x = 17,882.16 × 4,528
  4. Step 4: Simplify right side
    11,928.56x = 80,970,420.48
  5. Step 5: Solve for x
    x = 80,970,420.48/11,928.56
  6. Step 6: Final answer
    x = 6,787.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.