Home / 12,477.10-17,213.97-8,003.26

Finding the Fourth Proportional to 12,477.10, 17,213.97 and 8,003.26

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Solution

The fourth proportional to 12,477.10, 17,213.97 and 8,003.26 is: 11,041.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.10 : 17,213.97 = 8,003.26 : x
  2. Step 2: Convert to fraction form
    12,477.10/17,213.97 = 8,003.26/x
  3. Step 3: Cross multiply
    12,477.10x = 17,213.97 × 8,003.26
  4. Step 4: Simplify right side
    12,477.10x = 137,767,877.54
  5. Step 5: Solve for x
    x = 137,767,877.54/12,477.10
  6. Step 6: Final answer
    x = 11,041.66

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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.