Home / 8,068.68-12,104.40-3,686.56

Finding the Fourth Proportional to 8,068.68, 12,104.40 and 3,686.56

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Solution

The fourth proportional to 8,068.68, 12,104.40 and 3,686.56 is: 5,530.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.68 : 12,104.40 = 3,686.56 : x
  2. Step 2: Convert to fraction form
    8,068.68/12,104.40 = 3,686.56/x
  3. Step 3: Cross multiply
    8,068.68x = 12,104.40 × 3,686.56
  4. Step 4: Simplify right side
    8,068.68x = 44,623,596.86
  5. Step 5: Solve for x
    x = 44,623,596.86/8,068.68
  6. Step 6: Final answer
    x = 5,530.47

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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.