Home / 10,551.87-15,833.31-7,654.10

Finding the Fourth Proportional to 10,551.87, 15,833.31 and 7,654.10

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Solution

The fourth proportional to 10,551.87, 15,833.31 and 7,654.10 is: 11,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.87 : 15,833.31 = 7,654.10 : x
  2. Step 2: Convert to fraction form
    10,551.87/15,833.31 = 7,654.10/x
  3. Step 3: Cross multiply
    10,551.87x = 15,833.31 × 7,654.10
  4. Step 4: Simplify right side
    10,551.87x = 121,189,738.07
  5. Step 5: Solve for x
    x = 121,189,738.07/10,551.87
  6. Step 6: Final answer
    x = 11,485.14

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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.