Home / 10,868.51-16,302.20-3,077.34

Finding the Fourth Proportional to 10,868.51, 16,302.20 and 3,077.34

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Solution

The fourth proportional to 10,868.51, 16,302.20 and 3,077.34 is: 4,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.51 : 16,302.20 = 3,077.34 : x
  2. Step 2: Convert to fraction form
    10,868.51/16,302.20 = 3,077.34/x
  3. Step 3: Cross multiply
    10,868.51x = 16,302.20 × 3,077.34
  4. Step 4: Simplify right side
    10,868.51x = 50,167,396.76
  5. Step 5: Solve for x
    x = 50,167,396.76/10,868.51
  6. Step 6: Final answer
    x = 4,615.85

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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.