Home / 9,359.62-12,918.45-6,173.49

Finding the Fourth Proportional to 9,359.62, 12,918.45 and 6,173.49

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Solution

The fourth proportional to 9,359.62, 12,918.45 and 6,173.49 is: 8,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.62 : 12,918.45 = 6,173.49 : x
  2. Step 2: Convert to fraction form
    9,359.62/12,918.45 = 6,173.49/x
  3. Step 3: Cross multiply
    9,359.62x = 12,918.45 × 6,173.49
  4. Step 4: Simplify right side
    9,359.62x = 79,751,921.89
  5. Step 5: Solve for x
    x = 79,751,921.89/9,359.62
  6. Step 6: Final answer
    x = 8,520.85

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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.