Home / 8,837.44-12,191.58-5,649.90

Finding the Fourth Proportional to 8,837.44, 12,191.58 and 5,649.90

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Solution

The fourth proportional to 8,837.44, 12,191.58 and 5,649.90 is: 7,794.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.44 : 12,191.58 = 5,649.90 : x
  2. Step 2: Convert to fraction form
    8,837.44/12,191.58 = 5,649.90/x
  3. Step 3: Cross multiply
    8,837.44x = 12,191.58 × 5,649.90
  4. Step 4: Simplify right side
    8,837.44x = 68,881,207.84
  5. Step 5: Solve for x
    x = 68,881,207.84/8,837.44
  6. Step 6: Final answer
    x = 7,794.25

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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.