Home / 8,772.56-13,159.16-5,992.64

Finding the Fourth Proportional to 8,772.56, 13,159.16 and 5,992.64

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Solution

The fourth proportional to 8,772.56, 13,159.16 and 5,992.64 is: 8,989.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.56 : 13,159.16 = 5,992.64 : x
  2. Step 2: Convert to fraction form
    8,772.56/13,159.16 = 5,992.64/x
  3. Step 3: Cross multiply
    8,772.56x = 13,159.16 × 5,992.64
  4. Step 4: Simplify right side
    8,772.56x = 78,858,108.58
  5. Step 5: Solve for x
    x = 78,858,108.58/8,772.56
  6. Step 6: Final answer
    x = 8,989.18

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1.5x scale

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.