Home / 8,486.65-11,710.61-4,708.83

Finding the Fourth Proportional to 8,486.65, 11,710.61 and 4,708.83

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Solution

The fourth proportional to 8,486.65, 11,710.61 and 4,708.83 is: 6,497.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.65 : 11,710.61 = 4,708.83 : x
  2. Step 2: Convert to fraction form
    8,486.65/11,710.61 = 4,708.83/x
  3. Step 3: Cross multiply
    8,486.65x = 11,710.61 × 4,708.83
  4. Step 4: Simplify right side
    8,486.65x = 55,143,292.29
  5. Step 5: Solve for x
    x = 55,143,292.29/8,486.65
  6. Step 6: Final answer
    x = 6,497.65

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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.