Home / 8,675.16-11,963.85-5,689.92

Finding the Fourth Proportional to 8,675.16, 11,963.85 and 5,689.92

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Solution

The fourth proportional to 8,675.16, 11,963.85 and 5,689.92 is: 7,846.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.16 : 11,963.85 = 5,689.92 : x
  2. Step 2: Convert to fraction form
    8,675.16/11,963.85 = 5,689.92/x
  3. Step 3: Cross multiply
    8,675.16x = 11,963.85 × 5,689.92
  4. Step 4: Simplify right side
    8,675.16x = 68,073,349.39
  5. Step 5: Solve for x
    x = 68,073,349.39/8,675.16
  6. Step 6: Final answer
    x = 7,846.93

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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.