Home / 11,449.84-17,172.18-7,231.08

Finding the Fourth Proportional to 11,449.84, 17,172.18 and 7,231.08

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Solution

The fourth proportional to 11,449.84, 17,172.18 and 7,231.08 is: 10,844.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,449.84 : 17,172.18 = 7,231.08 : x
  2. Step 2: Convert to fraction form
    11,449.84/17,172.18 = 7,231.08/x
  3. Step 3: Cross multiply
    11,449.84x = 17,172.18 × 7,231.08
  4. Step 4: Simplify right side
    11,449.84x = 124,173,407.35
  5. Step 5: Solve for x
    x = 124,173,407.35/11,449.84
  6. Step 6: Final answer
    x = 10,844.99

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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.