Home / 8,770.57-13,150.13-3,502.33

Finding the Fourth Proportional to 8,770.57, 13,150.13 and 3,502.33

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Solution

The fourth proportional to 8,770.57, 13,150.13 and 3,502.33 is: 5,251.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.57 : 13,150.13 = 3,502.33 : x
  2. Step 2: Convert to fraction form
    8,770.57/13,150.13 = 3,502.33/x
  3. Step 3: Cross multiply
    8,770.57x = 13,150.13 × 3,502.33
  4. Step 4: Simplify right side
    8,770.57x = 46,056,094.80
  5. Step 5: Solve for x
    x = 46,056,094.80/8,770.57
  6. Step 6: Final answer
    x = 5,251.21

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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.