Home / 8,675.66-11,972.30-4,847.36

Finding the Fourth Proportional to 8,675.66, 11,972.30 and 4,847.36

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Solution

The fourth proportional to 8,675.66, 11,972.30 and 4,847.36 is: 6,689.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.66 : 11,972.30 = 4,847.36 : x
  2. Step 2: Convert to fraction form
    8,675.66/11,972.30 = 4,847.36/x
  3. Step 3: Cross multiply
    8,675.66x = 11,972.30 × 4,847.36
  4. Step 4: Simplify right side
    8,675.66x = 58,034,048.13
  5. Step 5: Solve for x
    x = 58,034,048.13/8,675.66
  6. Step 6: Final answer
    x = 6,689.29

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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.