Home / 12,614.04-18,932.73-6,378.45

Finding the Fourth Proportional to 12,614.04, 18,932.73 and 6,378.45

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Solution

The fourth proportional to 12,614.04, 18,932.73 and 6,378.45 is: 9,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.04 : 18,932.73 = 6,378.45 : x
  2. Step 2: Convert to fraction form
    12,614.04/18,932.73 = 6,378.45/x
  3. Step 3: Cross multiply
    12,614.04x = 18,932.73 × 6,378.45
  4. Step 4: Simplify right side
    12,614.04x = 120,761,471.67
  5. Step 5: Solve for x
    x = 120,761,471.67/12,614.04
  6. Step 6: Final answer
    x = 9,573.58

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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.