Home / 7,855.98-11,782.14-3,471.04

Finding the Fourth Proportional to 7,855.98, 11,782.14 and 3,471.04

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Solution

The fourth proportional to 7,855.98, 11,782.14 and 3,471.04 is: 5,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.98 : 11,782.14 = 3,471.04 : x
  2. Step 2: Convert to fraction form
    7,855.98/11,782.14 = 3,471.04/x
  3. Step 3: Cross multiply
    7,855.98x = 11,782.14 × 3,471.04
  4. Step 4: Simplify right side
    7,855.98x = 40,896,279.23
  5. Step 5: Solve for x
    x = 40,896,279.23/7,855.98
  6. Step 6: Final answer
    x = 5,205.75

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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.