Home / 10,868.54-16,302.80-3,077.35

Finding the Fourth Proportional to 10,868.54, 16,302.80 and 3,077.35

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Solution

The fourth proportional to 10,868.54, 16,302.80 and 3,077.35 is: 4,616.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.54 : 16,302.80 = 3,077.35 : x
  2. Step 2: Convert to fraction form
    10,868.54/16,302.80 = 3,077.35/x
  3. Step 3: Cross multiply
    10,868.54x = 16,302.80 × 3,077.35
  4. Step 4: Simplify right side
    10,868.54x = 50,169,388.52
  5. Step 5: Solve for x
    x = 50,169,388.52/10,868.54
  6. Step 6: Final answer
    x = 4,616.02

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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.