Home / 11,972.32-16,522.04-6,666.96

Finding the Fourth Proportional to 11,972.32, 16,522.04 and 6,666.96

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Solution

The fourth proportional to 11,972.32, 16,522.04 and 6,666.96 is: 9,200.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.32 : 16,522.04 = 6,666.96 : x
  2. Step 2: Convert to fraction form
    11,972.32/16,522.04 = 6,666.96/x
  3. Step 3: Cross multiply
    11,972.32x = 16,522.04 × 6,666.96
  4. Step 4: Simplify right side
    11,972.32x = 110,151,779.80
  5. Step 5: Solve for x
    x = 110,151,779.80/11,972.32
  6. Step 6: Final answer
    x = 9,200.54

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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.