Home / 12,875.22-17,699.49-11,076.12

Finding the Fourth Proportional to 12,875.22, 17,699.49 and 11,076.12

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Solution

The fourth proportional to 12,875.22, 17,699.49 and 11,076.12 is: 15,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.22 : 17,699.49 = 11,076.12 : x
  2. Step 2: Convert to fraction form
    12,875.22/17,699.49 = 11,076.12/x
  3. Step 3: Cross multiply
    12,875.22x = 17,699.49 × 11,076.12
  4. Step 4: Simplify right side
    12,875.22x = 196,041,675.18
  5. Step 5: Solve for x
    x = 196,041,675.18/12,875.22
  6. Step 6: Final answer
    x = 15,226.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.