Home / 8,171.06-11,276.48-6,178.19

Finding the Fourth Proportional to 8,171.06, 11,276.48 and 6,178.19

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Solution

The fourth proportional to 8,171.06, 11,276.48 and 6,178.19 is: 8,526.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.06 : 11,276.48 = 6,178.19 : x
  2. Step 2: Convert to fraction form
    8,171.06/11,276.48 = 6,178.19/x
  3. Step 3: Cross multiply
    8,171.06x = 11,276.48 × 6,178.19
  4. Step 4: Simplify right side
    8,171.06x = 69,668,195.03
  5. Step 5: Solve for x
    x = 69,668,195.03/8,171.06
  6. Step 6: Final answer
    x = 8,526.22

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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.