Home / 7,568.64-11,354.18-3,186.34

Finding the Fourth Proportional to 7,568.64, 11,354.18 and 3,186.34

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Solution

The fourth proportional to 7,568.64, 11,354.18 and 3,186.34 is: 4,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.64 : 11,354.18 = 3,186.34 : x
  2. Step 2: Convert to fraction form
    7,568.64/11,354.18 = 3,186.34/x
  3. Step 3: Cross multiply
    7,568.64x = 11,354.18 × 3,186.34
  4. Step 4: Simplify right side
    7,568.64x = 36,178,233.58
  5. Step 5: Solve for x
    x = 36,178,233.58/7,568.64
  6. Step 6: Final answer
    x = 4,780.02

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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.