Home / 10,939.14-15,096.71-6,223.43

Finding the Fourth Proportional to 10,939.14, 15,096.71 and 6,223.43

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Solution

The fourth proportional to 10,939.14, 15,096.71 and 6,223.43 is: 8,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.14 : 15,096.71 = 6,223.43 : x
  2. Step 2: Convert to fraction form
    10,939.14/15,096.71 = 6,223.43/x
  3. Step 3: Cross multiply
    10,939.14x = 15,096.71 × 6,223.43
  4. Step 4: Simplify right side
    10,939.14x = 93,953,371.22
  5. Step 5: Solve for x
    x = 93,953,371.22/10,939.14
  6. Step 6: Final answer
    x = 8,588.73

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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.