Home / 12,335.28-18,510.16-4,549.52

Finding the Fourth Proportional to 12,335.28, 18,510.16 and 4,549.52

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Solution

The fourth proportional to 12,335.28, 18,510.16 and 4,549.52 is: 6,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.28 : 18,510.16 = 4,549.52 : x
  2. Step 2: Convert to fraction form
    12,335.28/18,510.16 = 4,549.52/x
  3. Step 3: Cross multiply
    12,335.28x = 18,510.16 × 4,549.52
  4. Step 4: Simplify right side
    12,335.28x = 84,212,343.12
  5. Step 5: Solve for x
    x = 84,212,343.12/12,335.28
  6. Step 6: Final answer
    x = 6,826.95

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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.