Home / 12,363.80-18,548.13-4,572.68

Finding the Fourth Proportional to 12,363.80, 18,548.13 and 4,572.68

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Solution

The fourth proportional to 12,363.80, 18,548.13 and 4,572.68 is: 6,859.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.80 : 18,548.13 = 4,572.68 : x
  2. Step 2: Convert to fraction form
    12,363.80/18,548.13 = 4,572.68/x
  3. Step 3: Cross multiply
    12,363.80x = 18,548.13 × 4,572.68
  4. Step 4: Simplify right side
    12,363.80x = 84,814,726.61
  5. Step 5: Solve for x
    x = 84,814,726.61/12,363.80
  6. Step 6: Final answer
    x = 6,859.92

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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.