Home / 11,972.06-16,521.26-6,666.92

Finding the Fourth Proportional to 11,972.06, 16,521.26 and 6,666.92

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Solution

The fourth proportional to 11,972.06, 16,521.26 and 6,666.92 is: 9,200.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.06 : 16,521.26 = 6,666.92 : x
  2. Step 2: Convert to fraction form
    11,972.06/16,521.26 = 6,666.92/x
  3. Step 3: Cross multiply
    11,972.06x = 16,521.26 × 6,666.92
  4. Step 4: Simplify right side
    11,972.06x = 110,145,852.78
  5. Step 5: Solve for x
    x = 110,145,852.78/11,972.06
  6. Step 6: Final answer
    x = 9,200.25

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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.