Home / 8,887.82-13,320.16-3,616.70

Finding the Fourth Proportional to 8,887.82, 13,320.16 and 3,616.70

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Solution

The fourth proportional to 8,887.82, 13,320.16 and 3,616.70 is: 5,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.82 : 13,320.16 = 3,616.70 : x
  2. Step 2: Convert to fraction form
    8,887.82/13,320.16 = 3,616.70/x
  3. Step 3: Cross multiply
    8,887.82x = 13,320.16 × 3,616.70
  4. Step 4: Simplify right side
    8,887.82x = 48,174,947.03
  5. Step 5: Solve for x
    x = 48,174,947.03/8,887.82
  6. Step 6: Final answer
    x = 5,420.34

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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.