Home / 10,632.43-15,938.30-5,084.34

Finding the Fourth Proportional to 10,632.43, 15,938.30 and 5,084.34

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Solution

The fourth proportional to 10,632.43, 15,938.30 and 5,084.34 is: 7,621.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,632.43 : 15,938.30 = 5,084.34 : x
  2. Step 2: Convert to fraction form
    10,632.43/15,938.30 = 5,084.34/x
  3. Step 3: Cross multiply
    10,632.43x = 15,938.30 × 5,084.34
  4. Step 4: Simplify right side
    10,632.43x = 81,035,736.22
  5. Step 5: Solve for x
    x = 81,035,736.22/10,632.43
  6. Step 6: Final answer
    x = 7,621.56

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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.