Home / 10,998.40-16,473.30-9,767.20

Finding the Fourth Proportional to 10,998.40, 16,473.30 and 9,767.20

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Solution

The fourth proportional to 10,998.40, 16,473.30 and 9,767.20 is: 14,629.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.40 : 16,473.30 = 9,767.20 : x
  2. Step 2: Convert to fraction form
    10,998.40/16,473.30 = 9,767.20/x
  3. Step 3: Cross multiply
    10,998.40x = 16,473.30 × 9,767.20
  4. Step 4: Simplify right side
    10,998.40x = 160,898,015.76
  5. Step 5: Solve for x
    x = 160,898,015.76/10,998.40
  6. Step 6: Final answer
    x = 14,629.22

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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.