Home / 11,566.21-15,961.36-6,261.02

Finding the Fourth Proportional to 11,566.21, 15,961.36 and 6,261.02

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Solution

The fourth proportional to 11,566.21, 15,961.36 and 6,261.02 is: 8,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,566.21 : 15,961.36 = 6,261.02 : x
  2. Step 2: Convert to fraction form
    11,566.21/15,961.36 = 6,261.02/x
  3. Step 3: Cross multiply
    11,566.21x = 15,961.36 × 6,261.02
  4. Step 4: Simplify right side
    11,566.21x = 99,934,394.19
  5. Step 5: Solve for x
    x = 99,934,394.19/11,566.21
  6. Step 6: Final answer
    x = 8,640.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.