Home / 10,242.99-14,135.31-5,766.53

Finding the Fourth Proportional to 10,242.99, 14,135.31 and 5,766.53

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Solution

The fourth proportional to 10,242.99, 14,135.31 and 5,766.53 is: 7,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.99 : 14,135.31 = 5,766.53 : x
  2. Step 2: Convert to fraction form
    10,242.99/14,135.31 = 5,766.53/x
  3. Step 3: Cross multiply
    10,242.99x = 14,135.31 × 5,766.53
  4. Step 4: Simplify right side
    10,242.99x = 81,511,618.50
  5. Step 5: Solve for x
    x = 81,511,618.50/10,242.99
  6. Step 6: Final answer
    x = 7,957.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.