Home / 11,184.12-16,704.79-10,128.44

Finding the Fourth Proportional to 11,184.12, 16,704.79 and 10,128.44

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Solution

The fourth proportional to 11,184.12, 16,704.79 and 10,128.44 is: 15,128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,184.12 : 16,704.79 = 10,128.44 : x
  2. Step 2: Convert to fraction form
    11,184.12/16,704.79 = 10,128.44/x
  3. Step 3: Cross multiply
    11,184.12x = 16,704.79 × 10,128.44
  4. Step 4: Simplify right side
    11,184.12x = 169,193,463.23
  5. Step 5: Solve for x
    x = 169,193,463.23/11,184.12
  6. Step 6: Final answer
    x = 15,128.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.