Home / 7,419.17-11,126.03-6,257.36

Finding the Fourth Proportional to 7,419.17, 11,126.03 and 6,257.36

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Solution

The fourth proportional to 7,419.17, 11,126.03 and 6,257.36 is: 9,383.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.17 : 11,126.03 = 6,257.36 : x
  2. Step 2: Convert to fraction form
    7,419.17/11,126.03 = 6,257.36/x
  3. Step 3: Cross multiply
    7,419.17x = 11,126.03 × 6,257.36
  4. Step 4: Simplify right side
    7,419.17x = 69,619,571.61
  5. Step 5: Solve for x
    x = 69,619,571.61/7,419.17
  6. Step 6: Final answer
    x = 9,383.74

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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.