Home / 7,456.49-11,188.57-4,124.12

Finding the Fourth Proportional to 7,456.49, 11,188.57 and 4,124.12

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Solution

The fourth proportional to 7,456.49, 11,188.57 and 4,124.12 is: 6,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.49 : 11,188.57 = 4,124.12 : x
  2. Step 2: Convert to fraction form
    7,456.49/11,188.57 = 4,124.12/x
  3. Step 3: Cross multiply
    7,456.49x = 11,188.57 × 4,124.12
  4. Step 4: Simplify right side
    7,456.49x = 46,143,022.97
  5. Step 5: Solve for x
    x = 46,143,022.97/7,456.49
  6. Step 6: Final answer
    x = 6,188.31

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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.