Home / 11,199.69-15,450.92-6,949.32

Finding the Fourth Proportional to 11,199.69, 15,450.92 and 6,949.32

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Solution

The fourth proportional to 11,199.69, 15,450.92 and 6,949.32 is: 9,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,199.69 : 15,450.92 = 6,949.32 : x
  2. Step 2: Convert to fraction form
    11,199.69/15,450.92 = 6,949.32/x
  3. Step 3: Cross multiply
    11,199.69x = 15,450.92 × 6,949.32
  4. Step 4: Simplify right side
    11,199.69x = 107,373,352.63
  5. Step 5: Solve for x
    x = 107,373,352.63/11,199.69
  6. Step 6: Final answer
    x = 9,587.17

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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.