Home / 10,168.60-15,246.96-4,322.20

Finding the Fourth Proportional to 10,168.60, 15,246.96 and 4,322.20

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Solution

The fourth proportional to 10,168.60, 15,246.96 and 4,322.20 is: 6,480.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.60 : 15,246.96 = 4,322.20 : x
  2. Step 2: Convert to fraction form
    10,168.60/15,246.96 = 4,322.20/x
  3. Step 3: Cross multiply
    10,168.60x = 15,246.96 × 4,322.20
  4. Step 4: Simplify right side
    10,168.60x = 65,900,410.51
  5. Step 5: Solve for x
    x = 65,900,410.51/10,168.60
  6. Step 6: Final answer
    x = 6,480.78

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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.