Home / 7,382.91-11,069.06-3,485.19

Finding the Fourth Proportional to 7,382.91, 11,069.06 and 3,485.19

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Solution

The fourth proportional to 7,382.91, 11,069.06 and 3,485.19 is: 5,225.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.91 : 11,069.06 = 3,485.19 : x
  2. Step 2: Convert to fraction form
    7,382.91/11,069.06 = 3,485.19/x
  3. Step 3: Cross multiply
    7,382.91x = 11,069.06 × 3,485.19
  4. Step 4: Simplify right side
    7,382.91x = 38,577,759.80
  5. Step 5: Solve for x
    x = 38,577,759.80/7,382.91
  6. Step 6: Final answer
    x = 5,225.28

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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.