Home / 10,073.20-15,109.80-4,228.24

Finding the Fourth Proportional to 10,073.20, 15,109.80 and 4,228.24

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Solution

The fourth proportional to 10,073.20, 15,109.80 and 4,228.24 is: 6,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073.20 : 15,109.80 = 4,228.24 : x
  2. Step 2: Convert to fraction form
    10,073.20/15,109.80 = 4,228.24/x
  3. Step 3: Cross multiply
    10,073.20x = 15,109.80 × 4,228.24
  4. Step 4: Simplify right side
    10,073.20x = 63,887,860.75
  5. Step 5: Solve for x
    x = 63,887,860.75/10,073.20
  6. Step 6: Final answer
    x = 6,342.36

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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.