Home / 10,939.34-15,096.63-6,223.92

Finding the Fourth Proportional to 10,939.34, 15,096.63 and 6,223.92

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Solution

The fourth proportional to 10,939.34, 15,096.63 and 6,223.92 is: 8,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.34 : 15,096.63 = 6,223.92 : x
  2. Step 2: Convert to fraction form
    10,939.34/15,096.63 = 6,223.92/x
  3. Step 3: Cross multiply
    10,939.34x = 15,096.63 × 6,223.92
  4. Step 4: Simplify right side
    10,939.34x = 93,960,217.39
  5. Step 5: Solve for x
    x = 93,960,217.39/10,939.34
  6. Step 6: Final answer
    x = 8,589.21

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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.