Home / 8,171.25-11,276.28-4,984.53

Finding the Fourth Proportional to 8,171.25, 11,276.28 and 4,984.53

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Solution

The fourth proportional to 8,171.25, 11,276.28 and 4,984.53 is: 6,878.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.25 : 11,276.28 = 4,984.53 : x
  2. Step 2: Convert to fraction form
    8,171.25/11,276.28 = 4,984.53/x
  3. Step 3: Cross multiply
    8,171.25x = 11,276.28 × 4,984.53
  4. Step 4: Simplify right side
    8,171.25x = 56,206,955.95
  5. Step 5: Solve for x
    x = 56,206,955.95/8,171.25
  6. Step 6: Final answer
    x = 6,878.62

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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.