Home / 12,416.36-17,131.10-11,793.06

Finding the Fourth Proportional to 12,416.36, 17,131.10 and 11,793.06

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Solution

The fourth proportional to 12,416.36, 17,131.10 and 11,793.06 is: 16,271.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,416.36 : 17,131.10 = 11,793.06 : x
  2. Step 2: Convert to fraction form
    12,416.36/17,131.10 = 11,793.06/x
  3. Step 3: Cross multiply
    12,416.36x = 17,131.10 × 11,793.06
  4. Step 4: Simplify right side
    12,416.36x = 202,028,031.20
  5. Step 5: Solve for x
    x = 202,028,031.20/12,416.36
  6. Step 6: Final answer
    x = 16,271.12

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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.