Home / 12,166.36-16,755.96-10,487.12

Finding the Fourth Proportional to 12,166.36, 16,755.96 and 10,487.12

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Solution

The fourth proportional to 12,166.36, 16,755.96 and 10,487.12 is: 14,443.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,166.36 : 16,755.96 = 10,487.12 : x
  2. Step 2: Convert to fraction form
    12,166.36/16,755.96 = 10,487.12/x
  3. Step 3: Cross multiply
    12,166.36x = 16,755.96 × 10,487.12
  4. Step 4: Simplify right side
    12,166.36x = 175,721,763.24
  5. Step 5: Solve for x
    x = 175,721,763.24/12,166.36
  6. Step 6: Final answer
    x = 14,443.25

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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.