Home / 10,656.72-15,984.21-3,261.24

Finding the Fourth Proportional to 10,656.72, 15,984.21 and 3,261.24

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Solution

The fourth proportional to 10,656.72, 15,984.21 and 3,261.24 is: 4,891.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,656.72 : 15,984.21 = 3,261.24 : x
  2. Step 2: Convert to fraction form
    10,656.72/15,984.21 = 3,261.24/x
  3. Step 3: Cross multiply
    10,656.72x = 15,984.21 × 3,261.24
  4. Step 4: Simplify right side
    10,656.72x = 52,128,345.02
  5. Step 5: Solve for x
    x = 52,128,345.02/10,656.72
  6. Step 6: Final answer
    x = 4,891.59

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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.