Home / 10,273.20-15,409.68-4,117.20

Finding the Fourth Proportional to 10,273.20, 15,409.68 and 4,117.20

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Solution

The fourth proportional to 10,273.20, 15,409.68 and 4,117.20 is: 6,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,273.20 : 15,409.68 = 4,117.20 : x
  2. Step 2: Convert to fraction form
    10,273.20/15,409.68 = 4,117.20/x
  3. Step 3: Cross multiply
    10,273.20x = 15,409.68 × 4,117.20
  4. Step 4: Simplify right side
    10,273.20x = 63,444,734.50
  5. Step 5: Solve for x
    x = 63,444,734.50/10,273.20
  6. Step 6: Final answer
    x = 6,175.75

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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.