Home / 11,261.90-16,898.87-6,331.91

Finding the Fourth Proportional to 11,261.90, 16,898.87 and 6,331.91

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Solution

The fourth proportional to 11,261.90, 16,898.87 and 6,331.91 is: 9,501.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.90 : 16,898.87 = 6,331.91 : x
  2. Step 2: Convert to fraction form
    11,261.90/16,898.87 = 6,331.91/x
  3. Step 3: Cross multiply
    11,261.90x = 16,898.87 × 6,331.91
  4. Step 4: Simplify right side
    11,261.90x = 107,002,055.28
  5. Step 5: Solve for x
    x = 107,002,055.28/11,261.90
  6. Step 6: Final answer
    x = 9,501.24

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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.