Home / 28,790.76-43,184.06-9,074.96

Finding the Fourth Proportional to 28,790.76, 43,184.06 and 9,074.96

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Solution

The fourth proportional to 28,790.76, 43,184.06 and 9,074.96 is: 13,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,790.76 : 43,184.06 = 9,074.96 : x
  2. Step 2: Convert to fraction form
    28,790.76/43,184.06 = 9,074.96/x
  3. Step 3: Cross multiply
    28,790.76x = 43,184.06 × 9,074.96
  4. Step 4: Simplify right side
    28,790.76x = 391,893,617.14
  5. Step 5: Solve for x
    x = 391,893,617.14/28,790.76
  6. Step 6: Final answer
    x = 13,611.78

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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.