Home / 10,947.68-15,108.56-6,231.96

Finding the Fourth Proportional to 10,947.68, 15,108.56 and 6,231.96

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Solution

The fourth proportional to 10,947.68, 15,108.56 and 6,231.96 is: 8,600.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.68 : 15,108.56 = 6,231.96 : x
  2. Step 2: Convert to fraction form
    10,947.68/15,108.56 = 6,231.96/x
  3. Step 3: Cross multiply
    10,947.68x = 15,108.56 × 6,231.96
  4. Step 4: Simplify right side
    10,947.68x = 94,155,941.58
  5. Step 5: Solve for x
    x = 94,155,941.58/10,947.68
  6. Step 6: Final answer
    x = 8,600.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.