Home / 10,643.08-15,963.80-4,401.48

Finding the Fourth Proportional to 10,643.08, 15,963.80 and 4,401.48

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Solution

The fourth proportional to 10,643.08, 15,963.80 and 4,401.48 is: 6,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.08 : 15,963.80 = 4,401.48 : x
  2. Step 2: Convert to fraction form
    10,643.08/15,963.80 = 4,401.48/x
  3. Step 3: Cross multiply
    10,643.08x = 15,963.80 × 4,401.48
  4. Step 4: Simplify right side
    10,643.08x = 70,264,346.42
  5. Step 5: Solve for x
    x = 70,264,346.42/10,643.08
  6. Step 6: Final answer
    x = 6,601.88

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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.