Home / 6,112.18-8,434.20-3,459.13

Finding the Fourth Proportional to 6,112.18, 8,434.20 and 3,459.13

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Solution

The fourth proportional to 6,112.18, 8,434.20 and 3,459.13 is: 4,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.18 : 8,434.20 = 3,459.13 : x
  2. Step 2: Convert to fraction form
    6,112.18/8,434.20 = 3,459.13/x
  3. Step 3: Cross multiply
    6,112.18x = 8,434.20 × 3,459.13
  4. Step 4: Simplify right side
    6,112.18x = 29,174,970.73
  5. Step 5: Solve for x
    x = 29,174,970.73/6,112.18
  6. Step 6: Final answer
    x = 4,773.25

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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.