Home / 8,865.96-13,298.88-3,600.90

Finding the Fourth Proportional to 8,865.96, 13,298.88 and 3,600.90

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Solution

The fourth proportional to 8,865.96, 13,298.88 and 3,600.90 is: 5,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.96 : 13,298.88 = 3,600.90 : x
  2. Step 2: Convert to fraction form
    8,865.96/13,298.88 = 3,600.90/x
  3. Step 3: Cross multiply
    8,865.96x = 13,298.88 × 3,600.90
  4. Step 4: Simplify right side
    8,865.96x = 47,887,936.99
  5. Step 5: Solve for x
    x = 47,887,936.99/8,865.96
  6. Step 6: Final answer
    x = 5,401.33

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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.