Home / 7,850.80-11,772.40-4,564.84

Finding the Fourth Proportional to 7,850.80, 11,772.40 and 4,564.84

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Solution

The fourth proportional to 7,850.80, 11,772.40 and 4,564.84 is: 6,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.80 : 11,772.40 = 4,564.84 : x
  2. Step 2: Convert to fraction form
    7,850.80/11,772.40 = 4,564.84/x
  3. Step 3: Cross multiply
    7,850.80x = 11,772.40 × 4,564.84
  4. Step 4: Simplify right side
    7,850.80x = 53,739,122.42
  5. Step 5: Solve for x
    x = 53,739,122.42/7,850.80
  6. Step 6: Final answer
    x = 6,845.05

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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.