Home / 8,749.92-12,074.96-4,771.02

Finding the Fourth Proportional to 8,749.92, 12,074.96 and 4,771.02

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Solution

The fourth proportional to 8,749.92, 12,074.96 and 4,771.02 is: 6,584.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.92 : 12,074.96 = 4,771.02 : x
  2. Step 2: Convert to fraction form
    8,749.92/12,074.96 = 4,771.02/x
  3. Step 3: Cross multiply
    8,749.92x = 12,074.96 × 4,771.02
  4. Step 4: Simplify right side
    8,749.92x = 57,609,875.66
  5. Step 5: Solve for x
    x = 57,609,875.66/8,749.92
  6. Step 6: Final answer
    x = 6,584.05

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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.