Home / 12,356.92-18,534.30-4,565.80

Finding the Fourth Proportional to 12,356.92, 18,534.30 and 4,565.80

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Solution

The fourth proportional to 12,356.92, 18,534.30 and 4,565.80 is: 6,848.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.92 : 18,534.30 = 4,565.80 : x
  2. Step 2: Convert to fraction form
    12,356.92/18,534.30 = 4,565.80/x
  3. Step 3: Cross multiply
    12,356.92x = 18,534.30 × 4,565.80
  4. Step 4: Simplify right side
    12,356.92x = 84,623,906.94
  5. Step 5: Solve for x
    x = 84,623,906.94/12,356.92
  6. Step 6: Final answer
    x = 6,848.30

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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.