Home / 10,910.10-16,365.15-6,525.30

Finding the Fourth Proportional to 10,910.10, 16,365.15 and 6,525.30

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Solution

The fourth proportional to 10,910.10, 16,365.15 and 6,525.30 is: 9,787.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.10 : 16,365.15 = 6,525.30 : x
  2. Step 2: Convert to fraction form
    10,910.10/16,365.15 = 6,525.30/x
  3. Step 3: Cross multiply
    10,910.10x = 16,365.15 × 6,525.30
  4. Step 4: Simplify right side
    10,910.10x = 106,787,513.30
  5. Step 5: Solve for x
    x = 106,787,513.30/10,910.10
  6. Step 6: Final answer
    x = 9,787.95

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Double scale
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Similar ratio
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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.