Home / 11,854.95-17,787.20-5,276.63

Finding the Fourth Proportional to 11,854.95, 17,787.20 and 5,276.63

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Solution

The fourth proportional to 11,854.95, 17,787.20 and 5,276.63 is: 7,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,854.95 : 17,787.20 = 5,276.63 : x
  2. Step 2: Convert to fraction form
    11,854.95/17,787.20 = 5,276.63/x
  3. Step 3: Cross multiply
    11,854.95x = 17,787.20 × 5,276.63
  4. Step 4: Simplify right side
    11,854.95x = 93,856,473.14
  5. Step 5: Solve for x
    x = 93,856,473.14/11,854.95
  6. Step 6: Final answer
    x = 7,917.07

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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.