Home / 6,107.35-9,155.49-2,209

Finding the Fourth Proportional to 6,107.35, 9,155.49 and 2,209

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Solution

The fourth proportional to 6,107.35, 9,155.49 and 2,209 is: 3,311.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.35 : 9,155.49 = 2,209 : x
  2. Step 2: Convert to fraction form
    6,107.35/9,155.49 = 2,209/x
  3. Step 3: Cross multiply
    6,107.35x = 9,155.49 × 2,209
  4. Step 4: Simplify right side
    6,107.35x = 20,224,477.41
  5. Step 5: Solve for x
    x = 20,224,477.41/6,107.35
  6. Step 6: Final answer
    x = 3,311.50

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Double scale
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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.