Home / 8,222.41-12,338.48-3,031.93

Finding the Fourth Proportional to 8,222.41, 12,338.48 and 3,031.93

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Solution

The fourth proportional to 8,222.41, 12,338.48 and 3,031.93 is: 4,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.41 : 12,338.48 = 3,031.93 : x
  2. Step 2: Convert to fraction form
    8,222.41/12,338.48 = 3,031.93/x
  3. Step 3: Cross multiply
    8,222.41x = 12,338.48 × 3,031.93
  4. Step 4: Simplify right side
    8,222.41x = 37,409,407.67
  5. Step 5: Solve for x
    x = 37,409,407.67/8,222.41
  6. Step 6: Final answer
    x = 4,549.69

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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.