Home / 8,146.70-11,242.80-4,609.82

Finding the Fourth Proportional to 8,146.70, 11,242.80 and 4,609.82

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Solution

The fourth proportional to 8,146.70, 11,242.80 and 4,609.82 is: 6,361.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.70 : 11,242.80 = 4,609.82 : x
  2. Step 2: Convert to fraction form
    8,146.70/11,242.80 = 4,609.82/x
  3. Step 3: Cross multiply
    8,146.70x = 11,242.80 × 4,609.82
  4. Step 4: Simplify right side
    8,146.70x = 51,827,284.30
  5. Step 5: Solve for x
    x = 51,827,284.30/8,146.70
  6. Step 6: Final answer
    x = 6,361.75

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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.