Home / 8,995.20-13,483.56-3,447.12

Finding the Fourth Proportional to 8,995.20, 13,483.56 and 3,447.12

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Solution

The fourth proportional to 8,995.20, 13,483.56 and 3,447.12 is: 5,167.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.20 : 13,483.56 = 3,447.12 : x
  2. Step 2: Convert to fraction form
    8,995.20/13,483.56 = 3,447.12/x
  3. Step 3: Cross multiply
    8,995.20x = 13,483.56 × 3,447.12
  4. Step 4: Simplify right side
    8,995.20x = 46,479,449.35
  5. Step 5: Solve for x
    x = 46,479,449.35/8,995.20
  6. Step 6: Final answer
    x = 5,167.14

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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.