Home / 10,365.40-15,543.42-2,968.17

Finding the Fourth Proportional to 10,365.40, 15,543.42 and 2,968.17

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Solution

The fourth proportional to 10,365.40, 15,543.42 and 2,968.17 is: 4,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.40 : 15,543.42 = 2,968.17 : x
  2. Step 2: Convert to fraction form
    10,365.40/15,543.42 = 2,968.17/x
  3. Step 3: Cross multiply
    10,365.40x = 15,543.42 × 2,968.17
  4. Step 4: Simplify right side
    10,365.40x = 46,135,512.94
  5. Step 5: Solve for x
    x = 46,135,512.94/10,365.40
  6. Step 6: Final answer
    x = 4,450.91

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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.