Home / 8,085.60-11,143.56-5,986.08

Finding the Fourth Proportional to 8,085.60, 11,143.56 and 5,986.08

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Solution

The fourth proportional to 8,085.60, 11,143.56 and 5,986.08 is: 8,250.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.60 : 11,143.56 = 5,986.08 : x
  2. Step 2: Convert to fraction form
    8,085.60/11,143.56 = 5,986.08/x
  3. Step 3: Cross multiply
    8,085.60x = 11,143.56 × 5,986.08
  4. Step 4: Simplify right side
    8,085.60x = 66,706,241.64
  5. Step 5: Solve for x
    x = 66,706,241.64/8,085.60
  6. Step 6: Final answer
    x = 8,250.01

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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.