Home / 12,607.11-17,383.37-10,331.28

Finding the Fourth Proportional to 12,607.11, 17,383.37 and 10,331.28

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Solution

The fourth proportional to 12,607.11, 17,383.37 and 10,331.28 is: 14,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607.11 : 17,383.37 = 10,331.28 : x
  2. Step 2: Convert to fraction form
    12,607.11/17,383.37 = 10,331.28/x
  3. Step 3: Cross multiply
    12,607.11x = 17,383.37 × 10,331.28
  4. Step 4: Simplify right side
    12,607.11x = 179,592,411.16
  5. Step 5: Solve for x
    x = 179,592,411.16/12,607.11
  6. Step 6: Final answer
    x = 14,245.33

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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.