Home / 11,884.35-16,395.26-7,166.01

Finding the Fourth Proportional to 11,884.35, 16,395.26 and 7,166.01

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Solution

The fourth proportional to 11,884.35, 16,395.26 and 7,166.01 is: 9,885.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.35 : 16,395.26 = 7,166.01 : x
  2. Step 2: Convert to fraction form
    11,884.35/16,395.26 = 7,166.01/x
  3. Step 3: Cross multiply
    11,884.35x = 16,395.26 × 7,166.01
  4. Step 4: Simplify right side
    11,884.35x = 117,488,561.28
  5. Step 5: Solve for x
    x = 117,488,561.28/11,884.35
  6. Step 6: Final answer
    x = 9,885.99

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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.