Home / 8,876.43-12,160.58-8,544.06

Finding the Fourth Proportional to 8,876.43, 12,160.58 and 8,544.06

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Solution

The fourth proportional to 8,876.43, 12,160.58 and 8,544.06 is: 11,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876.43 : 12,160.58 = 8,544.06 : x
  2. Step 2: Convert to fraction form
    8,876.43/12,160.58 = 8,544.06/x
  3. Step 3: Cross multiply
    8,876.43x = 12,160.58 × 8,544.06
  4. Step 4: Simplify right side
    8,876.43x = 103,900,682.43
  5. Step 5: Solve for x
    x = 103,900,682.43/8,876.43
  6. Step 6: Final answer
    x = 11,705.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.