Home / 10,922.03-15,071.83-6,884.18

Finding the Fourth Proportional to 10,922.03, 15,071.83 and 6,884.18

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Solution

The fourth proportional to 10,922.03, 15,071.83 and 6,884.18 is: 9,499.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.03 : 15,071.83 = 6,884.18 : x
  2. Step 2: Convert to fraction form
    10,922.03/15,071.83 = 6,884.18/x
  3. Step 3: Cross multiply
    10,922.03x = 15,071.83 × 6,884.18
  4. Step 4: Simplify right side
    10,922.03x = 103,757,190.65
  5. Step 5: Solve for x
    x = 103,757,190.65/10,922.03
  6. Step 6: Final answer
    x = 9,499.81

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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.