Home / 10,704.22-14,763.54-8,180.06

Finding the Fourth Proportional to 10,704.22, 14,763.54 and 8,180.06

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Solution

The fourth proportional to 10,704.22, 14,763.54 and 8,180.06 is: 11,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,704.22 : 14,763.54 = 8,180.06 : x
  2. Step 2: Convert to fraction form
    10,704.22/14,763.54 = 8,180.06/x
  3. Step 3: Cross multiply
    10,704.22x = 14,763.54 × 8,180.06
  4. Step 4: Simplify right side
    10,704.22x = 120,766,643.01
  5. Step 5: Solve for x
    x = 120,766,643.01/10,704.22
  6. Step 6: Final answer
    x = 11,282.15

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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.