Home / 11,550.24-15,938.46-6,514.20

Finding the Fourth Proportional to 11,550.24, 15,938.46 and 6,514.20

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Solution

The fourth proportional to 11,550.24, 15,938.46 and 6,514.20 is: 8,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.24 : 15,938.46 = 6,514.20 : x
  2. Step 2: Convert to fraction form
    11,550.24/15,938.46 = 6,514.20/x
  3. Step 3: Cross multiply
    11,550.24x = 15,938.46 × 6,514.20
  4. Step 4: Simplify right side
    11,550.24x = 103,826,316.13
  5. Step 5: Solve for x
    x = 103,826,316.13/11,550.24
  6. Step 6: Final answer
    x = 8,989.10

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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.