Home / 11,758.27-16,220.63-8,566.60

Finding the Fourth Proportional to 11,758.27, 16,220.63 and 8,566.60

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Solution

The fourth proportional to 11,758.27, 16,220.63 and 8,566.60 is: 11,817.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758.27 : 16,220.63 = 8,566.60 : x
  2. Step 2: Convert to fraction form
    11,758.27/16,220.63 = 8,566.60/x
  3. Step 3: Cross multiply
    11,758.27x = 16,220.63 × 8,566.60
  4. Step 4: Simplify right side
    11,758.27x = 138,955,525.02
  5. Step 5: Solve for x
    x = 138,955,525.02/11,758.27
  6. Step 6: Final answer
    x = 11,817.69

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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.