Home / 8,222.14-11,345.91-4,684.66

Finding the Fourth Proportional to 8,222.14, 11,345.91 and 4,684.66

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Solution

The fourth proportional to 8,222.14, 11,345.91 and 4,684.66 is: 6,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,222.14 : 11,345.91 = 4,684.66 : x
  2. Step 2: Convert to fraction form
    8,222.14/11,345.91 = 4,684.66/x
  3. Step 3: Cross multiply
    8,222.14x = 11,345.91 × 4,684.66
  4. Step 4: Simplify right side
    8,222.14x = 53,151,730.74
  5. Step 5: Solve for x
    x = 53,151,730.74/8,222.14
  6. Step 6: Final answer
    x = 6,464.46

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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.