Home / 12,085.52-16,683.80-7,611.44

Finding the Fourth Proportional to 12,085.52, 16,683.80 and 7,611.44

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Solution

The fourth proportional to 12,085.52, 16,683.80 and 7,611.44 is: 10,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,085.52 : 16,683.80 = 7,611.44 : x
  2. Step 2: Convert to fraction form
    12,085.52/16,683.80 = 7,611.44/x
  3. Step 3: Cross multiply
    12,085.52x = 16,683.80 × 7,611.44
  4. Step 4: Simplify right side
    12,085.52x = 126,987,742.67
  5. Step 5: Solve for x
    x = 126,987,742.67/12,085.52
  6. Step 6: Final answer
    x = 10,507.43

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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.