Home / 8,185.12-12,275.62-2,341.76

Finding the Fourth Proportional to 8,185.12, 12,275.62 and 2,341.76

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Solution

The fourth proportional to 8,185.12, 12,275.62 and 2,341.76 is: 3,512.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.12 : 12,275.62 = 2,341.76 : x
  2. Step 2: Convert to fraction form
    8,185.12/12,275.62 = 2,341.76/x
  3. Step 3: Cross multiply
    8,185.12x = 12,275.62 × 2,341.76
  4. Step 4: Simplify right side
    8,185.12x = 28,746,555.89
  5. Step 5: Solve for x
    x = 28,746,555.89/8,185.12
  6. Step 6: Final answer
    x = 3,512.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.