Home / 11,228.05-15,496.55-6,754.28

Finding the Fourth Proportional to 11,228.05, 15,496.55 and 6,754.28

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Solution

The fourth proportional to 11,228.05, 15,496.55 and 6,754.28 is: 9,322.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.05 : 15,496.55 = 6,754.28 : x
  2. Step 2: Convert to fraction form
    11,228.05/15,496.55 = 6,754.28/x
  3. Step 3: Cross multiply
    11,228.05x = 15,496.55 × 6,754.28
  4. Step 4: Simplify right side
    11,228.05x = 104,667,951.81
  5. Step 5: Solve for x
    x = 104,667,951.81/11,228.05
  6. Step 6: Final answer
    x = 9,322.01

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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.