Home / 8,463.21-11,675.34-5,480.03

Finding the Fourth Proportional to 8,463.21, 11,675.34 and 5,480.03

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Solution

The fourth proportional to 8,463.21, 11,675.34 and 5,480.03 is: 7,559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.21 : 11,675.34 = 5,480.03 : x
  2. Step 2: Convert to fraction form
    8,463.21/11,675.34 = 5,480.03/x
  3. Step 3: Cross multiply
    8,463.21x = 11,675.34 × 5,480.03
  4. Step 4: Simplify right side
    8,463.21x = 63,981,155.08
  5. Step 5: Solve for x
    x = 63,981,155.08/8,463.21
  6. Step 6: Final answer
    x = 7,559.92

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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.