Home / 10,939.25-15,096.98-6,223.84

Finding the Fourth Proportional to 10,939.25, 15,096.98 and 6,223.84

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Solution

The fourth proportional to 10,939.25, 15,096.98 and 6,223.84 is: 8,589.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.25 : 15,096.98 = 6,223.84 : x
  2. Step 2: Convert to fraction form
    10,939.25/15,096.98 = 6,223.84/x
  3. Step 3: Cross multiply
    10,939.25x = 15,096.98 × 6,223.84
  4. Step 4: Simplify right side
    10,939.25x = 93,961,165.82
  5. Step 5: Solve for x
    x = 93,961,165.82/10,939.25
  6. Step 6: Final answer
    x = 8,589.36

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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.