Home / 10,216.32-15,327.36-3,291.36

Finding the Fourth Proportional to 10,216.32, 15,327.36 and 3,291.36

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Solution

The fourth proportional to 10,216.32, 15,327.36 and 3,291.36 is: 4,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216.32 : 15,327.36 = 3,291.36 : x
  2. Step 2: Convert to fraction form
    10,216.32/15,327.36 = 3,291.36/x
  3. Step 3: Cross multiply
    10,216.32x = 15,327.36 × 3,291.36
  4. Step 4: Simplify right side
    10,216.32x = 50,447,859.61
  5. Step 5: Solve for x
    x = 50,447,859.61/10,216.32
  6. Step 6: Final answer
    x = 4,937.97

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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.