Home / 8,682.09-11,980.80-4,853.04

Finding the Fourth Proportional to 8,682.09, 11,980.80 and 4,853.04

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Solution

The fourth proportional to 8,682.09, 11,980.80 and 4,853.04 is: 6,696.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.09 : 11,980.80 = 4,853.04 : x
  2. Step 2: Convert to fraction form
    8,682.09/11,980.80 = 4,853.04/x
  3. Step 3: Cross multiply
    8,682.09x = 11,980.80 × 4,853.04
  4. Step 4: Simplify right side
    8,682.09x = 58,143,301.63
  5. Step 5: Solve for x
    x = 58,143,301.63/8,682.09
  6. Step 6: Final answer
    x = 6,696.92

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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.