Home / 10,938.65-16,410.36-3,542.94

Finding the Fourth Proportional to 10,938.65, 16,410.36 and 3,542.94

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Solution

The fourth proportional to 10,938.65, 16,410.36 and 3,542.94 is: 5,315.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.65 : 16,410.36 = 3,542.94 : x
  2. Step 2: Convert to fraction form
    10,938.65/16,410.36 = 3,542.94/x
  3. Step 3: Cross multiply
    10,938.65x = 16,410.36 × 3,542.94
  4. Step 4: Simplify right side
    10,938.65x = 58,140,919.20
  5. Step 5: Solve for x
    x = 58,140,919.20/10,938.65
  6. Step 6: Final answer
    x = 5,315.18

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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.