Home / 10,654.47-15,983.73-4,811.06

Finding the Fourth Proportional to 10,654.47, 15,983.73 and 4,811.06

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Solution

The fourth proportional to 10,654.47, 15,983.73 and 4,811.06 is: 7,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,654.47 : 15,983.73 = 4,811.06 : x
  2. Step 2: Convert to fraction form
    10,654.47/15,983.73 = 4,811.06/x
  3. Step 3: Cross multiply
    10,654.47x = 15,983.73 × 4,811.06
  4. Step 4: Simplify right side
    10,654.47x = 76,898,724.01
  5. Step 5: Solve for x
    x = 76,898,724.01/10,654.47
  6. Step 6: Final answer
    x = 7,217.51

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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.