Home / 7,955.35-11,935.05-5,619.92

Finding the Fourth Proportional to 7,955.35, 11,935.05 and 5,619.92

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Solution

The fourth proportional to 7,955.35, 11,935.05 and 5,619.92 is: 8,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.35 : 11,935.05 = 5,619.92 : x
  2. Step 2: Convert to fraction form
    7,955.35/11,935.05 = 5,619.92/x
  3. Step 3: Cross multiply
    7,955.35x = 11,935.05 × 5,619.92
  4. Step 4: Simplify right side
    7,955.35x = 67,073,945.45
  5. Step 5: Solve for x
    x = 67,073,945.45/7,955.35
  6. Step 6: Final answer
    x = 8,431.30

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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.