Home / 11,557.18-17,321.91-6,630.22

Finding the Fourth Proportional to 11,557.18, 17,321.91 and 6,630.22

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Solution

The fourth proportional to 11,557.18, 17,321.91 and 6,630.22 is: 9,937.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.18 : 17,321.91 = 6,630.22 : x
  2. Step 2: Convert to fraction form
    11,557.18/17,321.91 = 6,630.22/x
  3. Step 3: Cross multiply
    11,557.18x = 17,321.91 × 6,630.22
  4. Step 4: Simplify right side
    11,557.18x = 114,848,074.12
  5. Step 5: Solve for x
    x = 114,848,074.12/11,557.18
  6. Step 6: Final answer
    x = 9,937.38

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1.5x scale

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.