Home / 8,320.80-11,482.87-4,544.12

Finding the Fourth Proportional to 8,320.80, 11,482.87 and 4,544.12

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Solution

The fourth proportional to 8,320.80, 11,482.87 and 4,544.12 is: 6,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.80 : 11,482.87 = 4,544.12 : x
  2. Step 2: Convert to fraction form
    8,320.80/11,482.87 = 4,544.12/x
  3. Step 3: Cross multiply
    8,320.80x = 11,482.87 × 4,544.12
  4. Step 4: Simplify right side
    8,320.80x = 52,179,481.81
  5. Step 5: Solve for x
    x = 52,179,481.81/8,320.80
  6. Step 6: Final answer
    x = 6,270.97

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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.