Home / 12,394.24-17,099.20-7,086.22

Finding the Fourth Proportional to 12,394.24, 17,099.20 and 7,086.22

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Solution

The fourth proportional to 12,394.24, 17,099.20 and 7,086.22 is: 9,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,394.24 : 17,099.20 = 7,086.22 : x
  2. Step 2: Convert to fraction form
    12,394.24/17,099.20 = 7,086.22/x
  3. Step 3: Cross multiply
    12,394.24x = 17,099.20 × 7,086.22
  4. Step 4: Simplify right side
    12,394.24x = 121,168,693.02
  5. Step 5: Solve for x
    x = 121,168,693.02/12,394.24
  6. Step 6: Final answer
    x = 9,776.21

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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.