Home / 12,522.24-17,245.83-9,679.14

Finding the Fourth Proportional to 12,522.24, 17,245.83 and 9,679.14

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Solution

The fourth proportional to 12,522.24, 17,245.83 and 9,679.14 is: 13,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,522.24 : 17,245.83 = 9,679.14 : x
  2. Step 2: Convert to fraction form
    12,522.24/17,245.83 = 9,679.14/x
  3. Step 3: Cross multiply
    12,522.24x = 17,245.83 × 9,679.14
  4. Step 4: Simplify right side
    12,522.24x = 166,924,802.99
  5. Step 5: Solve for x
    x = 166,924,802.99/12,522.24
  6. Step 6: Final answer
    x = 13,330.27

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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.