Home / 9,451.28-14,178.09-3,212.32

Finding the Fourth Proportional to 9,451.28, 14,178.09 and 3,212.32

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Solution

The fourth proportional to 9,451.28, 14,178.09 and 3,212.32 is: 4,818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451.28 : 14,178.09 = 3,212.32 : x
  2. Step 2: Convert to fraction form
    9,451.28/14,178.09 = 3,212.32/x
  3. Step 3: Cross multiply
    9,451.28x = 14,178.09 × 3,212.32
  4. Step 4: Simplify right side
    9,451.28x = 45,544,581.45
  5. Step 5: Solve for x
    x = 45,544,581.45/9,451.28
  6. Step 6: Final answer
    x = 4,818.88

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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.