Home / 7,765.08-10,716.56-4,782.66

Finding the Fourth Proportional to 7,765.08, 10,716.56 and 4,782.66

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Solution

The fourth proportional to 7,765.08, 10,716.56 and 4,782.66 is: 6,600.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.08 : 10,716.56 = 4,782.66 : x
  2. Step 2: Convert to fraction form
    7,765.08/10,716.56 = 4,782.66/x
  3. Step 3: Cross multiply
    7,765.08x = 10,716.56 × 4,782.66
  4. Step 4: Simplify right side
    7,765.08x = 51,253,662.85
  5. Step 5: Solve for x
    x = 51,253,662.85/7,765.08
  6. Step 6: Final answer
    x = 6,600.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.