Home / 10,914.14-15,061.75-6,198.32

Finding the Fourth Proportional to 10,914.14, 15,061.75 and 6,198.32

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Solution

The fourth proportional to 10,914.14, 15,061.75 and 6,198.32 is: 8,553.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,914.14 : 15,061.75 = 6,198.32 : x
  2. Step 2: Convert to fraction form
    10,914.14/15,061.75 = 6,198.32/x
  3. Step 3: Cross multiply
    10,914.14x = 15,061.75 × 6,198.32
  4. Step 4: Simplify right side
    10,914.14x = 93,357,568.42
  5. Step 5: Solve for x
    x = 93,357,568.42/10,914.14
  6. Step 6: Final answer
    x = 8,553.82

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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.