Home / 9,174.46-12,659.76-5,195.50

Finding the Fourth Proportional to 9,174.46, 12,659.76 and 5,195.50

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Solution

The fourth proportional to 9,174.46, 12,659.76 and 5,195.50 is: 7,169.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.46 : 12,659.76 = 5,195.50 : x
  2. Step 2: Convert to fraction form
    9,174.46/12,659.76 = 5,195.50/x
  3. Step 3: Cross multiply
    9,174.46x = 12,659.76 × 5,195.50
  4. Step 4: Simplify right side
    9,174.46x = 65,773,783.08
  5. Step 5: Solve for x
    x = 65,773,783.08/9,174.46
  6. Step 6: Final answer
    x = 7,169.23

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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.