Home / 8,345.80-11,516.82-4,620.04

Finding the Fourth Proportional to 8,345.80, 11,516.82 and 4,620.04

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Solution

The fourth proportional to 8,345.80, 11,516.82 and 4,620.04 is: 6,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.80 : 11,516.82 = 4,620.04 : x
  2. Step 2: Convert to fraction form
    8,345.80/11,516.82 = 4,620.04/x
  3. Step 3: Cross multiply
    8,345.80x = 11,516.82 × 4,620.04
  4. Step 4: Simplify right side
    8,345.80x = 53,208,169.07
  5. Step 5: Solve for x
    x = 53,208,169.07/8,345.80
  6. Step 6: Final answer
    x = 6,375.44

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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.