Home / 10,536.41-15,804.45-3,140.91

Finding the Fourth Proportional to 10,536.41, 15,804.45 and 3,140.91

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Solution

The fourth proportional to 10,536.41, 15,804.45 and 3,140.91 is: 4,711.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,536.41 : 15,804.45 = 3,140.91 : x
  2. Step 2: Convert to fraction form
    10,536.41/15,804.45 = 3,140.91/x
  3. Step 3: Cross multiply
    10,536.41x = 15,804.45 × 3,140.91
  4. Step 4: Simplify right side
    10,536.41x = 49,640,355.05
  5. Step 5: Solve for x
    x = 49,640,355.05/10,536.41
  6. Step 6: Final answer
    x = 4,711.31

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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.