Home / 8,212.65-11,332.71-4,674.93

Finding the Fourth Proportional to 8,212.65, 11,332.71 and 4,674.93

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Solution

The fourth proportional to 8,212.65, 11,332.71 and 4,674.93 is: 6,450.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.65 : 11,332.71 = 4,674.93 : x
  2. Step 2: Convert to fraction form
    8,212.65/11,332.71 = 4,674.93/x
  3. Step 3: Cross multiply
    8,212.65x = 11,332.71 × 4,674.93
  4. Step 4: Simplify right side
    8,212.65x = 52,979,625.96
  5. Step 5: Solve for x
    x = 52,979,625.96/8,212.65
  6. Step 6: Final answer
    x = 6,450.98

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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.