Home / 11,162.10-15,403.38-6,126.28

Finding the Fourth Proportional to 11,162.10, 15,403.38 and 6,126.28

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Solution

The fourth proportional to 11,162.10, 15,403.38 and 6,126.28 is: 8,454.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,162.10 : 15,403.38 = 6,126.28 : x
  2. Step 2: Convert to fraction form
    11,162.10/15,403.38 = 6,126.28/x
  3. Step 3: Cross multiply
    11,162.10x = 15,403.38 × 6,126.28
  4. Step 4: Simplify right side
    11,162.10x = 94,365,418.83
  5. Step 5: Solve for x
    x = 94,365,418.83/11,162.10
  6. Step 6: Final answer
    x = 8,454.09

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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.