Home / 10,019.20-13,825.62-6,236.56

Finding the Fourth Proportional to 10,019.20, 13,825.62 and 6,236.56

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Solution

The fourth proportional to 10,019.20, 13,825.62 and 6,236.56 is: 8,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.20 : 13,825.62 = 6,236.56 : x
  2. Step 2: Convert to fraction form
    10,019.20/13,825.62 = 6,236.56/x
  3. Step 3: Cross multiply
    10,019.20x = 13,825.62 × 6,236.56
  4. Step 4: Simplify right side
    10,019.20x = 86,224,308.67
  5. Step 5: Solve for x
    x = 86,224,308.67/10,019.20
  6. Step 6: Final answer
    x = 8,605.91

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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.