Home / 10,231.92-15,347.88-2,836.22

Finding the Fourth Proportional to 10,231.92, 15,347.88 and 2,836.22

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Solution

The fourth proportional to 10,231.92, 15,347.88 and 2,836.22 is: 4,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,231.92 : 15,347.88 = 2,836.22 : x
  2. Step 2: Convert to fraction form
    10,231.92/15,347.88 = 2,836.22/x
  3. Step 3: Cross multiply
    10,231.92x = 15,347.88 × 2,836.22
  4. Step 4: Simplify right side
    10,231.92x = 43,529,887.47
  5. Step 5: Solve for x
    x = 43,529,887.47/10,231.92
  6. Step 6: Final answer
    x = 4,254.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.