Home / 7,855.24-11,781.96-4,924.60

Finding the Fourth Proportional to 7,855.24, 11,781.96 and 4,924.60

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Solution

The fourth proportional to 7,855.24, 11,781.96 and 4,924.60 is: 7,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855.24 : 11,781.96 = 4,924.60 : x
  2. Step 2: Convert to fraction form
    7,855.24/11,781.96 = 4,924.60/x
  3. Step 3: Cross multiply
    7,855.24x = 11,781.96 × 4,924.60
  4. Step 4: Simplify right side
    7,855.24x = 58,021,440.22
  5. Step 5: Solve for x
    x = 58,021,440.22/7,855.24
  6. Step 6: Final answer
    x = 7,386.34

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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.