Home / 11,135.41-15,396.40-9,734.14

Finding the Fourth Proportional to 11,135.41, 15,396.40 and 9,734.14

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Solution

The fourth proportional to 11,135.41, 15,396.40 and 9,734.14 is: 13,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.41 : 15,396.40 = 9,734.14 : x
  2. Step 2: Convert to fraction form
    11,135.41/15,396.40 = 9,734.14/x
  3. Step 3: Cross multiply
    11,135.41x = 15,396.40 × 9,734.14
  4. Step 4: Simplify right side
    11,135.41x = 149,870,636.11
  5. Step 5: Solve for x
    x = 149,870,636.11/11,135.41
  6. Step 6: Final answer
    x = 13,458.93

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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.