Home / 6,115.01-8,438.12-4,859.10

Finding the Fourth Proportional to 6,115.01, 8,438.12 and 4,859.10

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Solution

The fourth proportional to 6,115.01, 8,438.12 and 4,859.10 is: 6,705.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.01 : 8,438.12 = 4,859.10 : x
  2. Step 2: Convert to fraction form
    6,115.01/8,438.12 = 4,859.10/x
  3. Step 3: Cross multiply
    6,115.01x = 8,438.12 × 4,859.10
  4. Step 4: Simplify right side
    6,115.01x = 41,001,662.82
  5. Step 5: Solve for x
    x = 41,001,662.82/6,115.01
  6. Step 6: Final answer
    x = 6,705.09

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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.