Home / 8,164.89-11,267.46-4,628.12

Finding the Fourth Proportional to 8,164.89, 11,267.46 and 4,628.12

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Solution

The fourth proportional to 8,164.89, 11,267.46 and 4,628.12 is: 6,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.89 : 11,267.46 = 4,628.12 : x
  2. Step 2: Convert to fraction form
    8,164.89/11,267.46 = 4,628.12/x
  3. Step 3: Cross multiply
    8,164.89x = 11,267.46 × 4,628.12
  4. Step 4: Simplify right side
    8,164.89x = 52,147,100.64
  5. Step 5: Solve for x
    x = 52,147,100.64/8,164.89
  6. Step 6: Final answer
    x = 6,386.75

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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.