Home / 8,345.45-11,516.81-4,568.69

Finding the Fourth Proportional to 8,345.45, 11,516.81 and 4,568.69

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Solution

The fourth proportional to 8,345.45, 11,516.81 and 4,568.69 is: 6,304.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.45 : 11,516.81 = 4,568.69 : x
  2. Step 2: Convert to fraction form
    8,345.45/11,516.81 = 4,568.69/x
  3. Step 3: Cross multiply
    8,345.45x = 11,516.81 × 4,568.69
  4. Step 4: Simplify right side
    8,345.45x = 52,616,734.68
  5. Step 5: Solve for x
    x = 52,616,734.68/8,345.45
  6. Step 6: Final answer
    x = 6,304.84

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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.