Home / 12,242.92-16,896.56-7,208.37

Finding the Fourth Proportional to 12,242.92, 16,896.56 and 7,208.37

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Solution

The fourth proportional to 12,242.92, 16,896.56 and 7,208.37 is: 9,948.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.92 : 16,896.56 = 7,208.37 : x
  2. Step 2: Convert to fraction form
    12,242.92/16,896.56 = 7,208.37/x
  3. Step 3: Cross multiply
    12,242.92x = 16,896.56 × 7,208.37
  4. Step 4: Simplify right side
    12,242.92x = 121,796,656.21
  5. Step 5: Solve for x
    x = 121,796,656.21/12,242.92
  6. Step 6: Final answer
    x = 9,948.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.