Home / 28,248.93-42,380.24-8,526.30

Finding the Fourth Proportional to 28,248.93, 42,380.24 and 8,526.30

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Solution

The fourth proportional to 28,248.93, 42,380.24 and 8,526.30 is: 12,791.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.93 : 42,380.24 = 8,526.30 : x
  2. Step 2: Convert to fraction form
    28,248.93/42,380.24 = 8,526.30/x
  3. Step 3: Cross multiply
    28,248.93x = 42,380.24 × 8,526.30
  4. Step 4: Simplify right side
    28,248.93x = 361,346,597.68
  5. Step 5: Solve for x
    x = 361,346,597.68/28,248.93
  6. Step 6: Final answer
    x = 12,791.51

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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.