Home / 8,462.15-12,693.07-2,915.38

Finding the Fourth Proportional to 8,462.15, 12,693.07 and 2,915.38

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Solution

The fourth proportional to 8,462.15, 12,693.07 and 2,915.38 is: 4,373.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.15 : 12,693.07 = 2,915.38 : x
  2. Step 2: Convert to fraction form
    8,462.15/12,693.07 = 2,915.38/x
  3. Step 3: Cross multiply
    8,462.15x = 12,693.07 × 2,915.38
  4. Step 4: Simplify right side
    8,462.15x = 37,005,058.23
  5. Step 5: Solve for x
    x = 37,005,058.23/8,462.15
  6. Step 6: Final answer
    x = 4,373.01

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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.