Home / 12,089.73-18,133.92-3,656.10

Finding the Fourth Proportional to 12,089.73, 18,133.92 and 3,656.10

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Solution

The fourth proportional to 12,089.73, 18,133.92 and 3,656.10 is: 5,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.73 : 18,133.92 = 3,656.10 : x
  2. Step 2: Convert to fraction form
    12,089.73/18,133.92 = 3,656.10/x
  3. Step 3: Cross multiply
    12,089.73x = 18,133.92 × 3,656.10
  4. Step 4: Simplify right side
    12,089.73x = 66,299,424.91
  5. Step 5: Solve for x
    x = 66,299,424.91/12,089.73
  6. Step 6: Final answer
    x = 5,483.95

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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.