Home / 10,452.64-15,678.90-2,662.06

Finding the Fourth Proportional to 10,452.64, 15,678.90 and 2,662.06

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Solution

The fourth proportional to 10,452.64, 15,678.90 and 2,662.06 is: 3,993.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,452.64 : 15,678.90 = 2,662.06 : x
  2. Step 2: Convert to fraction form
    10,452.64/15,678.90 = 2,662.06/x
  3. Step 3: Cross multiply
    10,452.64x = 15,678.90 × 2,662.06
  4. Step 4: Simplify right side
    10,452.64x = 41,738,172.53
  5. Step 5: Solve for x
    x = 41,738,172.53/10,452.64
  6. Step 6: Final answer
    x = 3,993.07

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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.