Home / 10,933.55-16,402.75-3,141.75

Finding the Fourth Proportional to 10,933.55, 16,402.75 and 3,141.75

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Solution

The fourth proportional to 10,933.55, 16,402.75 and 3,141.75 is: 4,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.55 : 16,402.75 = 3,141.75 : x
  2. Step 2: Convert to fraction form
    10,933.55/16,402.75 = 3,141.75/x
  3. Step 3: Cross multiply
    10,933.55x = 16,402.75 × 3,141.75
  4. Step 4: Simplify right side
    10,933.55x = 51,533,339.81
  5. Step 5: Solve for x
    x = 51,533,339.81/10,933.55
  6. Step 6: Final answer
    x = 4,713.32

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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.