Home / 11,900.39-16,422.54-6,595.55

Finding the Fourth Proportional to 11,900.39, 16,422.54 and 6,595.55

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Solution

The fourth proportional to 11,900.39, 16,422.54 and 6,595.55 is: 9,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.39 : 16,422.54 = 6,595.55 : x
  2. Step 2: Convert to fraction form
    11,900.39/16,422.54 = 6,595.55/x
  3. Step 3: Cross multiply
    11,900.39x = 16,422.54 × 6,595.55
  4. Step 4: Simplify right side
    11,900.39x = 108,315,656.99
  5. Step 5: Solve for x
    x = 108,315,656.99/11,900.39
  6. Step 6: Final answer
    x = 9,101.86

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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.