Home / 12,260.57-18,367.64-7,247.94

Finding the Fourth Proportional to 12,260.57, 18,367.64 and 7,247.94

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Solution

The fourth proportional to 12,260.57, 18,367.64 and 7,247.94 is: 10,858.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,260.57 : 18,367.64 = 7,247.94 : x
  2. Step 2: Convert to fraction form
    12,260.57/18,367.64 = 7,247.94/x
  3. Step 3: Cross multiply
    12,260.57x = 18,367.64 × 7,247.94
  4. Step 4: Simplify right side
    12,260.57x = 133,127,515.49
  5. Step 5: Solve for x
    x = 133,127,515.49/12,260.57
  6. Step 6: Final answer
    x = 10,858.18

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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.