Home / 11,053.82-15,249.76-6,803.60

Finding the Fourth Proportional to 11,053.82, 15,249.76 and 6,803.60

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Solution

The fourth proportional to 11,053.82, 15,249.76 and 6,803.60 is: 9,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,053.82 : 15,249.76 = 6,803.60 : x
  2. Step 2: Convert to fraction form
    11,053.82/15,249.76 = 6,803.60/x
  3. Step 3: Cross multiply
    11,053.82x = 15,249.76 × 6,803.60
  4. Step 4: Simplify right side
    11,053.82x = 103,753,233.12
  5. Step 5: Solve for x
    x = 103,753,233.12/11,053.82
  6. Step 6: Final answer
    x = 9,386.19

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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.