Home / 8,222.18-12,335.10-3,837.24

Finding the Fourth Proportional to 8,222.18, 12,335.10 and 3,837.24

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Solution

The fourth proportional to 8,222.18, 12,335.10 and 3,837.24 is: 5,756.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.18 : 12,335.10 = 3,837.24 : x
  2. Step 2: Convert to fraction form
    8,222.18/12,335.10 = 3,837.24/x
  3. Step 3: Cross multiply
    8,222.18x = 12,335.10 × 3,837.24
  4. Step 4: Simplify right side
    8,222.18x = 47,332,746.32
  5. Step 5: Solve for x
    x = 47,332,746.32/8,222.18
  6. Step 6: Final answer
    x = 5,756.72

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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.