Home / 11,037.48-15,231.42-6,322.20

Finding the Fourth Proportional to 11,037.48, 15,231.42 and 6,322.20

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Solution

The fourth proportional to 11,037.48, 15,231.42 and 6,322.20 is: 8,724.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,037.48 : 15,231.42 = 6,322.20 : x
  2. Step 2: Convert to fraction form
    11,037.48/15,231.42 = 6,322.20/x
  3. Step 3: Cross multiply
    11,037.48x = 15,231.42 × 6,322.20
  4. Step 4: Simplify right side
    11,037.48x = 96,296,083.52
  5. Step 5: Solve for x
    x = 96,296,083.52/11,037.48
  6. Step 6: Final answer
    x = 8,724.46

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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.