Home / 12,397.37-18,589.64-4,999.82

Finding the Fourth Proportional to 12,397.37, 18,589.64 and 4,999.82

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Solution

The fourth proportional to 12,397.37, 18,589.64 and 4,999.82 is: 7,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.37 : 18,589.64 = 4,999.82 : x
  2. Step 2: Convert to fraction form
    12,397.37/18,589.64 = 4,999.82/x
  3. Step 3: Cross multiply
    12,397.37x = 18,589.64 × 4,999.82
  4. Step 4: Simplify right side
    12,397.37x = 92,944,853.86
  5. Step 5: Solve for x
    x = 92,944,853.86/12,397.37
  6. Step 6: Final answer
    x = 7,497.14

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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.