Home / 10,110.22-15,164.80-3,869.76

Finding the Fourth Proportional to 10,110.22, 15,164.80 and 3,869.76

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Solution

The fourth proportional to 10,110.22, 15,164.80 and 3,869.76 is: 5,804.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.22 : 15,164.80 = 3,869.76 : x
  2. Step 2: Convert to fraction form
    10,110.22/15,164.80 = 3,869.76/x
  3. Step 3: Cross multiply
    10,110.22x = 15,164.80 × 3,869.76
  4. Step 4: Simplify right side
    10,110.22x = 58,684,136.45
  5. Step 5: Solve for x
    x = 58,684,136.45/10,110.22
  6. Step 6: Final answer
    x = 5,804.44

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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.