Home / 9,855.26-14,782.98-3,100.88

Finding the Fourth Proportional to 9,855.26, 14,782.98 and 3,100.88

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Solution

The fourth proportional to 9,855.26, 14,782.98 and 3,100.88 is: 4,651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.26 : 14,782.98 = 3,100.88 : x
  2. Step 2: Convert to fraction form
    9,855.26/14,782.98 = 3,100.88/x
  3. Step 3: Cross multiply
    9,855.26x = 14,782.98 × 3,100.88
  4. Step 4: Simplify right side
    9,855.26x = 45,840,247.02
  5. Step 5: Solve for x
    x = 45,840,247.02/9,855.26
  6. Step 6: Final answer
    x = 4,651.35

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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.