Home / 8,585.82-11,847.33-5,047.74

Finding the Fourth Proportional to 8,585.82, 11,847.33 and 5,047.74

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Solution

The fourth proportional to 8,585.82, 11,847.33 and 5,047.74 is: 6,965.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.82 : 11,847.33 = 5,047.74 : x
  2. Step 2: Convert to fraction form
    8,585.82/11,847.33 = 5,047.74/x
  3. Step 3: Cross multiply
    8,585.82x = 11,847.33 × 5,047.74
  4. Step 4: Simplify right side
    8,585.82x = 59,802,241.53
  5. Step 5: Solve for x
    x = 59,802,241.53/8,585.82
  6. Step 6: Final answer
    x = 6,965.23

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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.