Home / 8,212.02-11,330.91-4,674.30

Finding the Fourth Proportional to 8,212.02, 11,330.91 and 4,674.30

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Solution

The fourth proportional to 8,212.02, 11,330.91 and 4,674.30 is: 6,449.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.02 : 11,330.91 = 4,674.30 : x
  2. Step 2: Convert to fraction form
    8,212.02/11,330.91 = 4,674.30/x
  3. Step 3: Cross multiply
    8,212.02x = 11,330.91 × 4,674.30
  4. Step 4: Simplify right side
    8,212.02x = 52,964,072.61
  5. Step 5: Solve for x
    x = 52,964,072.61/8,212.02
  6. Step 6: Final answer
    x = 6,449.58

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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.