Home / 10,939.10-15,094.58-6,223.46

Finding the Fourth Proportional to 10,939.10, 15,094.58 and 6,223.46

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Solution

The fourth proportional to 10,939.10, 15,094.58 and 6,223.46 is: 8,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939.10 : 15,094.58 = 6,223.46 : x
  2. Step 2: Convert to fraction form
    10,939.10/15,094.58 = 6,223.46/x
  3. Step 3: Cross multiply
    10,939.10x = 15,094.58 × 6,223.46
  4. Step 4: Simplify right side
    10,939.10x = 93,940,514.85
  5. Step 5: Solve for x
    x = 93,940,514.85/10,939.10
  6. Step 6: Final answer
    x = 8,587.59

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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.