Home / 8,749.82-12,074.64-4,770.84

Finding the Fourth Proportional to 8,749.82, 12,074.64 and 4,770.84

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Solution

The fourth proportional to 8,749.82, 12,074.64 and 4,770.84 is: 6,583.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.82 : 12,074.64 = 4,770.84 : x
  2. Step 2: Convert to fraction form
    8,749.82/12,074.64 = 4,770.84/x
  3. Step 3: Cross multiply
    8,749.82x = 12,074.64 × 4,770.84
  4. Step 4: Simplify right side
    8,749.82x = 57,606,175.50
  5. Step 5: Solve for x
    x = 57,606,175.50/8,749.82
  6. Step 6: Final answer
    x = 6,583.70

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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.