Home / 10,917.02-15,061.50-6,198.56

Finding the Fourth Proportional to 10,917.02, 15,061.50 and 6,198.56

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Solution

The fourth proportional to 10,917.02, 15,061.50 and 6,198.56 is: 8,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,917.02 : 15,061.50 = 6,198.56 : x
  2. Step 2: Convert to fraction form
    10,917.02/15,061.50 = 6,198.56/x
  3. Step 3: Cross multiply
    10,917.02x = 15,061.50 × 6,198.56
  4. Step 4: Simplify right side
    10,917.02x = 93,359,611.44
  5. Step 5: Solve for x
    x = 93,359,611.44/10,917.02
  6. Step 6: Final answer
    x = 8,551.75

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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.