Home / 12,474.92-18,708.26-4,152.64

Finding the Fourth Proportional to 12,474.92, 18,708.26 and 4,152.64

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Solution

The fourth proportional to 12,474.92, 18,708.26 and 4,152.64 is: 6,227.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.92 : 18,708.26 = 4,152.64 : x
  2. Step 2: Convert to fraction form
    12,474.92/18,708.26 = 4,152.64/x
  3. Step 3: Cross multiply
    12,474.92x = 18,708.26 × 4,152.64
  4. Step 4: Simplify right side
    12,474.92x = 77,688,668.81
  5. Step 5: Solve for x
    x = 77,688,668.81/12,474.92
  6. Step 6: Final answer
    x = 6,227.59

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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.