Home / 8,462.30-11,676.31-5,316.66

Finding the Fourth Proportional to 8,462.30, 11,676.31 and 5,316.66

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Solution

The fourth proportional to 8,462.30, 11,676.31 and 5,316.66 is: 7,335.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.30 : 11,676.31 = 5,316.66 : x
  2. Step 2: Convert to fraction form
    8,462.30/11,676.31 = 5,316.66/x
  3. Step 3: Cross multiply
    8,462.30x = 11,676.31 × 5,316.66
  4. Step 4: Simplify right side
    8,462.30x = 62,078,957.03
  5. Step 5: Solve for x
    x = 62,078,957.03/8,462.30
  6. Step 6: Final answer
    x = 7,335.95

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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.