Home / 10,851.40-16,276.40-3,461.18

Finding the Fourth Proportional to 10,851.40, 16,276.40 and 3,461.18

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Solution

The fourth proportional to 10,851.40, 16,276.40 and 3,461.18 is: 5,191.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.40 : 16,276.40 = 3,461.18 : x
  2. Step 2: Convert to fraction form
    10,851.40/16,276.40 = 3,461.18/x
  3. Step 3: Cross multiply
    10,851.40x = 16,276.40 × 3,461.18
  4. Step 4: Simplify right side
    10,851.40x = 56,335,550.15
  5. Step 5: Solve for x
    x = 56,335,550.15/10,851.40
  6. Step 6: Final answer
    x = 5,191.55

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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.