Home / 12,957.09-17,896.92-11,697.54

Finding the Fourth Proportional to 12,957.09, 17,896.92 and 11,697.54

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Solution

The fourth proportional to 12,957.09, 17,896.92 and 11,697.54 is: 16,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957.09 : 17,896.92 = 11,697.54 : x
  2. Step 2: Convert to fraction form
    12,957.09/17,896.92 = 11,697.54/x
  3. Step 3: Cross multiply
    12,957.09x = 17,896.92 × 11,697.54
  4. Step 4: Simplify right side
    12,957.09x = 209,349,937.58
  5. Step 5: Solve for x
    x = 209,349,937.58/12,957.09
  6. Step 6: Final answer
    x = 16,157.17

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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.