Home / 8,821.44-12,168.96-5,463.12

Finding the Fourth Proportional to 8,821.44, 12,168.96 and 5,463.12

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Solution

The fourth proportional to 8,821.44, 12,168.96 and 5,463.12 is: 7,536.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,821.44 : 12,168.96 = 5,463.12 : x
  2. Step 2: Convert to fraction form
    8,821.44/12,168.96 = 5,463.12/x
  3. Step 3: Cross multiply
    8,821.44x = 12,168.96 × 5,463.12
  4. Step 4: Simplify right side
    8,821.44x = 66,480,488.76
  5. Step 5: Solve for x
    x = 66,480,488.76/8,821.44
  6. Step 6: Final answer
    x = 7,536.24

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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.