Home / 10,782.97-16,168.74-6,624.88

Finding the Fourth Proportional to 10,782.97, 16,168.74 and 6,624.88

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Solution

The fourth proportional to 10,782.97, 16,168.74 and 6,624.88 is: 9,933.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.97 : 16,168.74 = 6,624.88 : x
  2. Step 2: Convert to fraction form
    10,782.97/16,168.74 = 6,624.88/x
  3. Step 3: Cross multiply
    10,782.97x = 16,168.74 × 6,624.88
  4. Step 4: Simplify right side
    10,782.97x = 107,115,962.25
  5. Step 5: Solve for x
    x = 107,115,962.25/10,782.97
  6. Step 6: Final answer
    x = 9,933.81

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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.