Home / 8,069.19-12,108.47-3,388.84

Finding the Fourth Proportional to 8,069.19, 12,108.47 and 3,388.84

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Solution

The fourth proportional to 8,069.19, 12,108.47 and 3,388.84 is: 5,085.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,069.19 : 12,108.47 = 3,388.84 : x
  2. Step 2: Convert to fraction form
    8,069.19/12,108.47 = 3,388.84/x
  3. Step 3: Cross multiply
    8,069.19x = 12,108.47 × 3,388.84
  4. Step 4: Simplify right side
    8,069.19x = 41,033,639.32
  5. Step 5: Solve for x
    x = 41,033,639.32/8,069.19
  6. Step 6: Final answer
    x = 5,085.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.