Home / 11,972.07-16,521.44-6,666.84

Finding the Fourth Proportional to 11,972.07, 16,521.44 and 6,666.84

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Solution

The fourth proportional to 11,972.07, 16,521.44 and 6,666.84 is: 9,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.07 : 16,521.44 = 6,666.84 : x
  2. Step 2: Convert to fraction form
    11,972.07/16,521.44 = 6,666.84/x
  3. Step 3: Cross multiply
    11,972.07x = 16,521.44 × 6,666.84
  4. Step 4: Simplify right side
    11,972.07x = 110,145,763.72
  5. Step 5: Solve for x
    x = 110,145,763.72/11,972.07
  6. Step 6: Final answer
    x = 9,200.23

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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.