Home / 10,851.30-16,269.48-4,609.80

Finding the Fourth Proportional to 10,851.30, 16,269.48 and 4,609.80

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Solution

The fourth proportional to 10,851.30, 16,269.48 and 4,609.80 is: 6,911.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.30 : 16,269.48 = 4,609.80 : x
  2. Step 2: Convert to fraction form
    10,851.30/16,269.48 = 4,609.80/x
  3. Step 3: Cross multiply
    10,851.30x = 16,269.48 × 4,609.80
  4. Step 4: Simplify right side
    10,851.30x = 74,999,048.90
  5. Step 5: Solve for x
    x = 74,999,048.90/10,851.30
  6. Step 6: Final answer
    x = 6,911.53

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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.