Home / 12,395.46-17,104.68-7,089.24

Finding the Fourth Proportional to 12,395.46, 17,104.68 and 7,089.24

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Solution

The fourth proportional to 12,395.46, 17,104.68 and 7,089.24 is: 9,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.46 : 17,104.68 = 7,089.24 : x
  2. Step 2: Convert to fraction form
    12,395.46/17,104.68 = 7,089.24/x
  3. Step 3: Cross multiply
    12,395.46x = 17,104.68 × 7,089.24
  4. Step 4: Simplify right side
    12,395.46x = 121,259,181.64
  5. Step 5: Solve for x
    x = 121,259,181.64/12,395.46
  6. Step 6: Final answer
    x = 9,782.55

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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.