Home / 8,261.12-11,400.12-4,535.12

Finding the Fourth Proportional to 8,261.12, 11,400.12 and 4,535.12

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Solution

The fourth proportional to 8,261.12, 11,400.12 and 4,535.12 is: 6,258.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.12 : 11,400.12 = 4,535.12 : x
  2. Step 2: Convert to fraction form
    8,261.12/11,400.12 = 4,535.12/x
  3. Step 3: Cross multiply
    8,261.12x = 11,400.12 × 4,535.12
  4. Step 4: Simplify right side
    8,261.12x = 51,700,912.21
  5. Step 5: Solve for x
    x = 51,700,912.21/8,261.12
  6. Step 6: Final answer
    x = 6,258.34

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Half scale
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Double scale
Find fourth proportional to 8,262.12, 11,401.50 and 4,536.12
Similar ratio
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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.