Home / 10,433.61-15,650.42-2,643.03

Finding the Fourth Proportional to 10,433.61, 15,650.42 and 2,643.03

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Solution

The fourth proportional to 10,433.61, 15,650.42 and 2,643.03 is: 3,964.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.61 : 15,650.42 = 2,643.03 : x
  2. Step 2: Convert to fraction form
    10,433.61/15,650.42 = 2,643.03/x
  3. Step 3: Cross multiply
    10,433.61x = 15,650.42 × 2,643.03
  4. Step 4: Simplify right side
    10,433.61x = 41,364,516.36
  5. Step 5: Solve for x
    x = 41,364,516.36/10,433.61
  6. Step 6: Final answer
    x = 3,964.55

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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.