Home / 11,822.18-17,731.59-3,503.07

Finding the Fourth Proportional to 11,822.18, 17,731.59 and 3,503.07

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Solution

The fourth proportional to 11,822.18, 17,731.59 and 3,503.07 is: 5,254.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.18 : 17,731.59 = 3,503.07 : x
  2. Step 2: Convert to fraction form
    11,822.18/17,731.59 = 3,503.07/x
  3. Step 3: Cross multiply
    11,822.18x = 17,731.59 × 3,503.07
  4. Step 4: Simplify right side
    11,822.18x = 62,115,000.98
  5. Step 5: Solve for x
    x = 62,115,000.98/11,822.18
  6. Step 6: Final answer
    x = 5,254.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.