Home / 8,462.50-11,675.55-5,480.62

Finding the Fourth Proportional to 8,462.50, 11,675.55 and 5,480.62

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Solution

The fourth proportional to 8,462.50, 11,675.55 and 5,480.62 is: 7,561.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.50 : 11,675.55 = 5,480.62 : x
  2. Step 2: Convert to fraction form
    8,462.50/11,675.55 = 5,480.62/x
  3. Step 3: Cross multiply
    8,462.50x = 11,675.55 × 5,480.62
  4. Step 4: Simplify right side
    8,462.50x = 63,989,252.84
  5. Step 5: Solve for x
    x = 63,989,252.84/8,462.50
  6. Step 6: Final answer
    x = 7,561.51

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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.