Home / 12,474.66-18,697.82-4,152.72

Finding the Fourth Proportional to 12,474.66, 18,697.82 and 4,152.72

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Solution

The fourth proportional to 12,474.66, 18,697.82 and 4,152.72 is: 6,224.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.66 : 18,697.82 = 4,152.72 : x
  2. Step 2: Convert to fraction form
    12,474.66/18,697.82 = 4,152.72/x
  3. Step 3: Cross multiply
    12,474.66x = 18,697.82 × 4,152.72
  4. Step 4: Simplify right side
    12,474.66x = 77,646,811.07
  5. Step 5: Solve for x
    x = 77,646,811.07/12,474.66
  6. Step 6: Final answer
    x = 6,224.36

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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.