Home / 8,087.04-12,080.34-6,774.84

Finding the Fourth Proportional to 8,087.04, 12,080.34 and 6,774.84

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Solution

The fourth proportional to 8,087.04, 12,080.34 and 6,774.84 is: 10,120.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.04 : 12,080.34 = 6,774.84 : x
  2. Step 2: Convert to fraction form
    8,087.04/12,080.34 = 6,774.84/x
  3. Step 3: Cross multiply
    8,087.04x = 12,080.34 × 6,774.84
  4. Step 4: Simplify right side
    8,087.04x = 81,842,370.65
  5. Step 5: Solve for x
    x = 81,842,370.65/8,087.04
  6. Step 6: Final answer
    x = 10,120.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.