Home / 11,448.28-17,162.70-10,903.96

Finding the Fourth Proportional to 11,448.28, 17,162.70 and 10,903.96

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Solution

The fourth proportional to 11,448.28, 17,162.70 and 10,903.96 is: 16,346.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.28 : 17,162.70 = 10,903.96 : x
  2. Step 2: Convert to fraction form
    11,448.28/17,162.70 = 10,903.96/x
  3. Step 3: Cross multiply
    11,448.28x = 17,162.70 × 10,903.96
  4. Step 4: Simplify right side
    11,448.28x = 187,141,394.29
  5. Step 5: Solve for x
    x = 187,141,394.29/11,448.28
  6. Step 6: Final answer
    x = 16,346.68

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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.