Home / 10,442.07-15,662.79-3,868.11

Finding the Fourth Proportional to 10,442.07, 15,662.79 and 3,868.11

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Solution

The fourth proportional to 10,442.07, 15,662.79 and 3,868.11 is: 5,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442.07 : 15,662.79 = 3,868.11 : x
  2. Step 2: Convert to fraction form
    10,442.07/15,662.79 = 3,868.11/x
  3. Step 3: Cross multiply
    10,442.07x = 15,662.79 × 3,868.11
  4. Step 4: Simplify right side
    10,442.07x = 60,585,394.63
  5. Step 5: Solve for x
    x = 60,585,394.63/10,442.07
  6. Step 6: Final answer
    x = 5,802.05

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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.