Home / 8,475.12-11,695.32-4,938.48

Finding the Fourth Proportional to 8,475.12, 11,695.32 and 4,938.48

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Solution

The fourth proportional to 8,475.12, 11,695.32 and 4,938.48 is: 6,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.12 : 11,695.32 = 4,938.48 : x
  2. Step 2: Convert to fraction form
    8,475.12/11,695.32 = 4,938.48/x
  3. Step 3: Cross multiply
    8,475.12x = 11,695.32 × 4,938.48
  4. Step 4: Simplify right side
    8,475.12x = 57,757,103.91
  5. Step 5: Solve for x
    x = 57,757,103.91/8,475.12
  6. Step 6: Final answer
    x = 6,814.90

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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.