Home / 10,938.13-16,409.36-4,012.69

Finding the Fourth Proportional to 10,938.13, 16,409.36 and 4,012.69

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Solution

The fourth proportional to 10,938.13, 16,409.36 and 4,012.69 is: 6,019.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.13 : 16,409.36 = 4,012.69 : x
  2. Step 2: Convert to fraction form
    10,938.13/16,409.36 = 4,012.69/x
  3. Step 3: Cross multiply
    10,938.13x = 16,409.36 × 4,012.69
  4. Step 4: Simplify right side
    10,938.13x = 65,845,674.78
  5. Step 5: Solve for x
    x = 65,845,674.78/10,938.13
  6. Step 6: Final answer
    x = 6,019.83

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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.