Home / 11,473-15,835.35-6,758.80

Finding the Fourth Proportional to 11,473, 15,835.35 and 6,758.80

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Solution

The fourth proportional to 11,473, 15,835.35 and 6,758.80 is: 9,328.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,473 : 15,835.35 = 6,758.80 : x
  2. Step 2: Convert to fraction form
    11,473/15,835.35 = 6,758.80/x
  3. Step 3: Cross multiply
    11,473x = 15,835.35 × 6,758.80
  4. Step 4: Simplify right side
    11,473x = 107,027,963.58
  5. Step 5: Solve for x
    x = 107,027,963.58/11,473
  6. Step 6: Final answer
    x = 9,328.68

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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.