Home / 8,171.04-11,274.07-4,813.59

Finding the Fourth Proportional to 8,171.04, 11,274.07 and 4,813.59

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Solution

The fourth proportional to 8,171.04, 11,274.07 and 4,813.59 is: 6,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.04 : 11,274.07 = 4,813.59 : x
  2. Step 2: Convert to fraction form
    8,171.04/11,274.07 = 4,813.59/x
  3. Step 3: Cross multiply
    8,171.04x = 11,274.07 × 4,813.59
  4. Step 4: Simplify right side
    8,171.04x = 54,268,750.61
  5. Step 5: Solve for x
    x = 54,268,750.61/8,171.04
  6. Step 6: Final answer
    x = 6,641.60

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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.