Home / 9,179.34-13,765.56-2,937.72

Finding the Fourth Proportional to 9,179.34, 13,765.56 and 2,937.72

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Solution

The fourth proportional to 9,179.34, 13,765.56 and 2,937.72 is: 4,405.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.34 : 13,765.56 = 2,937.72 : x
  2. Step 2: Convert to fraction form
    9,179.34/13,765.56 = 2,937.72/x
  3. Step 3: Cross multiply
    9,179.34x = 13,765.56 × 2,937.72
  4. Step 4: Simplify right side
    9,179.34x = 40,439,360.92
  5. Step 5: Solve for x
    x = 40,439,360.92/9,179.34
  6. Step 6: Final answer
    x = 4,405.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.