Home / 9,364.72-12,923.44-5,173.12

Finding the Fourth Proportional to 9,364.72, 12,923.44 and 5,173.12

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Solution

The fourth proportional to 9,364.72, 12,923.44 and 5,173.12 is: 7,138.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,364.72 : 12,923.44 = 5,173.12 : x
  2. Step 2: Convert to fraction form
    9,364.72/12,923.44 = 5,173.12/x
  3. Step 3: Cross multiply
    9,364.72x = 12,923.44 × 5,173.12
  4. Step 4: Simplify right side
    9,364.72x = 66,854,505.93
  5. Step 5: Solve for x
    x = 66,854,505.93/9,364.72
  6. Step 6: Final answer
    x = 7,138.98

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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.