Home / 10,855.14-16,282.72-5,008.56

Finding the Fourth Proportional to 10,855.14, 16,282.72 and 5,008.56

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Solution

The fourth proportional to 10,855.14, 16,282.72 and 5,008.56 is: 7,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.14 : 16,282.72 = 5,008.56 : x
  2. Step 2: Convert to fraction form
    10,855.14/16,282.72 = 5,008.56/x
  3. Step 3: Cross multiply
    10,855.14x = 16,282.72 × 5,008.56
  4. Step 4: Simplify right side
    10,855.14x = 81,552,980.08
  5. Step 5: Solve for x
    x = 81,552,980.08/10,855.14
  6. Step 6: Final answer
    x = 7,512.84

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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.