Home / 12,477.24-18,716.30-4,043.55

Finding the Fourth Proportional to 12,477.24, 18,716.30 and 4,043.55

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Solution

The fourth proportional to 12,477.24, 18,716.30 and 4,043.55 is: 6,065.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,477.24 : 18,716.30 = 4,043.55 : x
  2. Step 2: Convert to fraction form
    12,477.24/18,716.30 = 4,043.55/x
  3. Step 3: Cross multiply
    12,477.24x = 18,716.30 × 4,043.55
  4. Step 4: Simplify right side
    12,477.24x = 75,680,294.87
  5. Step 5: Solve for x
    x = 75,680,294.87/12,477.24
  6. Step 6: Final answer
    x = 6,065.47

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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.