Home / 12,892.08-19,332.96-5,499.84

Finding the Fourth Proportional to 12,892.08, 19,332.96 and 5,499.84

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Solution

The fourth proportional to 12,892.08, 19,332.96 and 5,499.84 is: 8,247.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.08 : 19,332.96 = 5,499.84 : x
  2. Step 2: Convert to fraction form
    12,892.08/19,332.96 = 5,499.84/x
  3. Step 3: Cross multiply
    12,892.08x = 19,332.96 × 5,499.84
  4. Step 4: Simplify right side
    12,892.08x = 106,328,186.73
  5. Step 5: Solve for x
    x = 106,328,186.73/12,892.08
  6. Step 6: Final answer
    x = 8,247.56

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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.