Home / 11,856.84-17,787.19-5,538.04

Finding the Fourth Proportional to 11,856.84, 17,787.19 and 5,538.04

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Solution

The fourth proportional to 11,856.84, 17,787.19 and 5,538.04 is: 8,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.84 : 17,787.19 = 5,538.04 : x
  2. Step 2: Convert to fraction form
    11,856.84/17,787.19 = 5,538.04/x
  3. Step 3: Cross multiply
    11,856.84x = 17,787.19 × 5,538.04
  4. Step 4: Simplify right side
    11,856.84x = 98,506,066.93
  5. Step 5: Solve for x
    x = 98,506,066.93/11,856.84
  6. Step 6: Final answer
    x = 8,307.95

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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.