Home / 9,191.68-13,787.96-2,618.32

Finding the Fourth Proportional to 9,191.68, 13,787.96 and 2,618.32

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Solution

The fourth proportional to 9,191.68, 13,787.96 and 2,618.32 is: 3,927.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.68 : 13,787.96 = 2,618.32 : x
  2. Step 2: Convert to fraction form
    9,191.68/13,787.96 = 2,618.32/x
  3. Step 3: Cross multiply
    9,191.68x = 13,787.96 × 2,618.32
  4. Step 4: Simplify right side
    9,191.68x = 36,101,291.43
  5. Step 5: Solve for x
    x = 36,101,291.43/9,191.68
  6. Step 6: Final answer
    x = 3,927.61

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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.