Home / 12,254.18-16,910.66-6,665.18

Finding the Fourth Proportional to 12,254.18, 16,910.66 and 6,665.18

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Solution

The fourth proportional to 12,254.18, 16,910.66 and 6,665.18 is: 9,197.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.18 : 16,910.66 = 6,665.18 : x
  2. Step 2: Convert to fraction form
    12,254.18/16,910.66 = 6,665.18/x
  3. Step 3: Cross multiply
    12,254.18x = 16,910.66 × 6,665.18
  4. Step 4: Simplify right side
    12,254.18x = 112,712,592.82
  5. Step 5: Solve for x
    x = 112,712,592.82/12,254.18
  6. Step 6: Final answer
    x = 9,197.89

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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.