Home / 11,611.04-17,440.34-7,668.08

Finding the Fourth Proportional to 11,611.04, 17,440.34 and 7,668.08

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Solution

The fourth proportional to 11,611.04, 17,440.34 and 7,668.08 is: 11,517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,611.04 : 17,440.34 = 7,668.08 : x
  2. Step 2: Convert to fraction form
    11,611.04/17,440.34 = 7,668.08/x
  3. Step 3: Cross multiply
    11,611.04x = 17,440.34 × 7,668.08
  4. Step 4: Simplify right side
    11,611.04x = 133,733,922.35
  5. Step 5: Solve for x
    x = 133,733,922.35/11,611.04
  6. Step 6: Final answer
    x = 11,517.82

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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.