Home / 10,903.40-16,350.18-3,110.36

Finding the Fourth Proportional to 10,903.40, 16,350.18 and 3,110.36

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Solution

The fourth proportional to 10,903.40, 16,350.18 and 3,110.36 is: 4,664.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,903.40 : 16,350.18 = 3,110.36 : x
  2. Step 2: Convert to fraction form
    10,903.40/16,350.18 = 3,110.36/x
  3. Step 3: Cross multiply
    10,903.40x = 16,350.18 × 3,110.36
  4. Step 4: Simplify right side
    10,903.40x = 50,854,945.86
  5. Step 5: Solve for x
    x = 50,854,945.86/10,903.40
  6. Step 6: Final answer
    x = 4,664.14

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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.