Home / 12,088.37-18,125.49-6,821.12

Finding the Fourth Proportional to 12,088.37, 18,125.49 and 6,821.12

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Solution

The fourth proportional to 12,088.37, 18,125.49 and 6,821.12 is: 10,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.37 : 18,125.49 = 6,821.12 : x
  2. Step 2: Convert to fraction form
    12,088.37/18,125.49 = 6,821.12/x
  3. Step 3: Cross multiply
    12,088.37x = 18,125.49 × 6,821.12
  4. Step 4: Simplify right side
    12,088.37x = 123,636,142.35
  5. Step 5: Solve for x
    x = 123,636,142.35/12,088.37
  6. Step 6: Final answer
    x = 10,227.69

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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.