Home / 11,243.25-15,403.05-10,822.59

Finding the Fourth Proportional to 11,243.25, 15,403.05 and 10,822.59

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Solution

The fourth proportional to 11,243.25, 15,403.05 and 10,822.59 is: 14,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.25 : 15,403.05 = 10,822.59 : x
  2. Step 2: Convert to fraction form
    11,243.25/15,403.05 = 10,822.59/x
  3. Step 3: Cross multiply
    11,243.25x = 15,403.05 × 10,822.59
  4. Step 4: Simplify right side
    11,243.25x = 166,700,894.90
  5. Step 5: Solve for x
    x = 166,700,894.90/11,243.25
  6. Step 6: Final answer
    x = 14,826.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.