Home / 11,213.96-15,363.20-10,793.57

Finding the Fourth Proportional to 11,213.96, 15,363.20 and 10,793.57

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Solution

The fourth proportional to 11,213.96, 15,363.20 and 10,793.57 is: 14,787.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.96 : 15,363.20 = 10,793.57 : x
  2. Step 2: Convert to fraction form
    11,213.96/15,363.20 = 10,793.57/x
  3. Step 3: Cross multiply
    11,213.96x = 15,363.20 × 10,793.57
  4. Step 4: Simplify right side
    11,213.96x = 165,823,643.84
  5. Step 5: Solve for x
    x = 165,823,643.84/11,213.96
  6. Step 6: Final answer
    x = 14,787.26

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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.