Home / 10,518.47-15,773.08-3,940.04

Finding the Fourth Proportional to 10,518.47, 15,773.08 and 3,940.04

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Solution

The fourth proportional to 10,518.47, 15,773.08 and 3,940.04 is: 5,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.47 : 15,773.08 = 3,940.04 : x
  2. Step 2: Convert to fraction form
    10,518.47/15,773.08 = 3,940.04/x
  3. Step 3: Cross multiply
    10,518.47x = 15,773.08 × 3,940.04
  4. Step 4: Simplify right side
    10,518.47x = 62,146,566.12
  5. Step 5: Solve for x
    x = 62,146,566.12/10,518.47
  6. Step 6: Final answer
    x = 5,908.33

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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.