Home / 10,855.04-16,282.60-2,647.04

Finding the Fourth Proportional to 10,855.04, 16,282.60 and 2,647.04

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Solution

The fourth proportional to 10,855.04, 16,282.60 and 2,647.04 is: 3,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.04 : 16,282.60 = 2,647.04 : x
  2. Step 2: Convert to fraction form
    10,855.04/16,282.60 = 2,647.04/x
  3. Step 3: Cross multiply
    10,855.04x = 16,282.60 × 2,647.04
  4. Step 4: Simplify right side
    10,855.04x = 43,100,693.50
  5. Step 5: Solve for x
    x = 43,100,693.50/10,855.04
  6. Step 6: Final answer
    x = 3,970.57

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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.