Home / 11,102.22-15,319.98-6,625.08

Finding the Fourth Proportional to 11,102.22, 15,319.98 and 6,625.08

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Solution

The fourth proportional to 11,102.22, 15,319.98 and 6,625.08 is: 9,141.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.22 : 15,319.98 = 6,625.08 : x
  2. Step 2: Convert to fraction form
    11,102.22/15,319.98 = 6,625.08/x
  3. Step 3: Cross multiply
    11,102.22x = 15,319.98 × 6,625.08
  4. Step 4: Simplify right side
    11,102.22x = 101,496,093.10
  5. Step 5: Solve for x
    x = 101,496,093.10/11,102.22
  6. Step 6: Final answer
    x = 9,141.96

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1.5x scale

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.