Home / 11,111.44-15,335.14-6,395.62

Finding the Fourth Proportional to 11,111.44, 15,335.14 and 6,395.62

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Solution

The fourth proportional to 11,111.44, 15,335.14 and 6,395.62 is: 8,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.44 : 15,335.14 = 6,395.62 : x
  2. Step 2: Convert to fraction form
    11,111.44/15,335.14 = 6,395.62/x
  3. Step 3: Cross multiply
    11,111.44x = 15,335.14 × 6,395.62
  4. Step 4: Simplify right side
    11,111.44x = 98,077,728.09
  5. Step 5: Solve for x
    x = 98,077,728.09/11,111.44
  6. Step 6: Final answer
    x = 8,826.73

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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.