Home / 8,506.80-11,743.52-5,675.85

Finding the Fourth Proportional to 8,506.80, 11,743.52 and 5,675.85

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Solution

The fourth proportional to 8,506.80, 11,743.52 and 5,675.85 is: 7,835.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.80 : 11,743.52 = 5,675.85 : x
  2. Step 2: Convert to fraction form
    8,506.80/11,743.52 = 5,675.85/x
  3. Step 3: Cross multiply
    8,506.80x = 11,743.52 × 5,675.85
  4. Step 4: Simplify right side
    8,506.80x = 66,654,429.61
  5. Step 5: Solve for x
    x = 66,654,429.61/8,506.80
  6. Step 6: Final answer
    x = 7,835.43

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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.