Home / 9,936.45-13,712.27-5,687.52

Finding the Fourth Proportional to 9,936.45, 13,712.27 and 5,687.52

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Solution

The fourth proportional to 9,936.45, 13,712.27 and 5,687.52 is: 7,848.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,936.45 : 13,712.27 = 5,687.52 : x
  2. Step 2: Convert to fraction form
    9,936.45/13,712.27 = 5,687.52/x
  3. Step 3: Cross multiply
    9,936.45x = 13,712.27 × 5,687.52
  4. Step 4: Simplify right side
    9,936.45x = 77,988,809.87
  5. Step 5: Solve for x
    x = 77,988,809.87/9,936.45
  6. Step 6: Final answer
    x = 7,848.76

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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.