Home / 10,868.41-16,302.61-3,077.22

Finding the Fourth Proportional to 10,868.41, 16,302.61 and 3,077.22

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Solution

The fourth proportional to 10,868.41, 16,302.61 and 3,077.22 is: 4,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.41 : 16,302.61 = 3,077.22 : x
  2. Step 2: Convert to fraction form
    10,868.41/16,302.61 = 3,077.22/x
  3. Step 3: Cross multiply
    10,868.41x = 16,302.61 × 3,077.22
  4. Step 4: Simplify right side
    10,868.41x = 50,166,717.54
  5. Step 5: Solve for x
    x = 50,166,717.54/10,868.41
  6. Step 6: Final answer
    x = 4,615.83

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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.