Home / 11,214.28-15,363.63-10,793.88

Finding the Fourth Proportional to 11,214.28, 15,363.63 and 10,793.88

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Solution

The fourth proportional to 11,214.28, 15,363.63 and 10,793.88 is: 14,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.28 : 15,363.63 = 10,793.88 : x
  2. Step 2: Convert to fraction form
    11,214.28/15,363.63 = 10,793.88/x
  3. Step 3: Cross multiply
    11,214.28x = 15,363.63 × 10,793.88
  4. Step 4: Simplify right side
    11,214.28x = 165,833,178.58
  5. Step 5: Solve for x
    x = 165,833,178.58/11,214.28
  6. Step 6: Final answer
    x = 14,787.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.