Home / 12,366.54-18,553.25-6,521.58

Finding the Fourth Proportional to 12,366.54, 18,553.25 and 6,521.58

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Solution

The fourth proportional to 12,366.54, 18,553.25 and 6,521.58 is: 9,784.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.54 : 18,553.25 = 6,521.58 : x
  2. Step 2: Convert to fraction form
    12,366.54/18,553.25 = 6,521.58/x
  3. Step 3: Cross multiply
    12,366.54x = 18,553.25 × 6,521.58
  4. Step 4: Simplify right side
    12,366.54x = 120,996,504.14
  5. Step 5: Solve for x
    x = 120,996,504.14/12,366.54
  6. Step 6: Final answer
    x = 9,784.18

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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.