Home / 8,749.53-12,074.73-4,770.87

Finding the Fourth Proportional to 8,749.53, 12,074.73 and 4,770.87

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Solution

The fourth proportional to 8,749.53, 12,074.73 and 4,770.87 is: 6,584.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.53 : 12,074.73 = 4,770.87 : x
  2. Step 2: Convert to fraction form
    8,749.53/12,074.73 = 4,770.87/x
  3. Step 3: Cross multiply
    8,749.53x = 12,074.73 × 4,770.87
  4. Step 4: Simplify right side
    8,749.53x = 57,606,967.12
  5. Step 5: Solve for x
    x = 57,606,967.12/8,749.53
  6. Step 6: Final answer
    x = 6,584.01

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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.