Home / 11,958.60-16,504.38-6,655.80

Finding the Fourth Proportional to 11,958.60, 16,504.38 and 6,655.80

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Solution

The fourth proportional to 11,958.60, 16,504.38 and 6,655.80 is: 9,185.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.60 : 16,504.38 = 6,655.80 : x
  2. Step 2: Convert to fraction form
    11,958.60/16,504.38 = 6,655.80/x
  3. Step 3: Cross multiply
    11,958.60x = 16,504.38 × 6,655.80
  4. Step 4: Simplify right side
    11,958.60x = 109,849,852.40
  5. Step 5: Solve for x
    x = 109,849,852.40/11,958.60
  6. Step 6: Final answer
    x = 9,185.85

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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.