Home / 8,749.31-12,074.04-4,770.43

Finding the Fourth Proportional to 8,749.31, 12,074.04 and 4,770.43

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Solution

The fourth proportional to 8,749.31, 12,074.04 and 4,770.43 is: 6,583.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.31 : 12,074.04 = 4,770.43 : x
  2. Step 2: Convert to fraction form
    8,749.31/12,074.04 = 4,770.43/x
  3. Step 3: Cross multiply
    8,749.31x = 12,074.04 × 4,770.43
  4. Step 4: Simplify right side
    8,749.31x = 57,598,332.45
  5. Step 5: Solve for x
    x = 57,598,332.45/8,749.31
  6. Step 6: Final answer
    x = 6,583.19

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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.