Home / 6,626.76-9,141.45-4,108.05

Finding the Fourth Proportional to 6,626.76, 9,141.45 and 4,108.05

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Solution

The fourth proportional to 6,626.76, 9,141.45 and 4,108.05 is: 5,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,626.76 : 9,141.45 = 4,108.05 : x
  2. Step 2: Convert to fraction form
    6,626.76/9,141.45 = 4,108.05/x
  3. Step 3: Cross multiply
    6,626.76x = 9,141.45 × 4,108.05
  4. Step 4: Simplify right side
    6,626.76x = 37,553,533.67
  5. Step 5: Solve for x
    x = 37,553,533.67/6,626.76
  6. Step 6: Final answer
    x = 5,666.95

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.