Home / 10,359.93-15,539.49-3,340.20

Finding the Fourth Proportional to 10,359.93, 15,539.49 and 3,340.20

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Solution

The fourth proportional to 10,359.93, 15,539.49 and 3,340.20 is: 5,010.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.93 : 15,539.49 = 3,340.20 : x
  2. Step 2: Convert to fraction form
    10,359.93/15,539.49 = 3,340.20/x
  3. Step 3: Cross multiply
    10,359.93x = 15,539.49 × 3,340.20
  4. Step 4: Simplify right side
    10,359.93x = 51,905,004.50
  5. Step 5: Solve for x
    x = 51,905,004.50/10,359.93
  6. Step 6: Final answer
    x = 5,010.17

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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.