Home / 9,747.18-13,451.12-5,270.94

Finding the Fourth Proportional to 9,747.18, 13,451.12 and 5,270.94

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Solution

The fourth proportional to 9,747.18, 13,451.12 and 5,270.94 is: 7,273.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.18 : 13,451.12 = 5,270.94 : x
  2. Step 2: Convert to fraction form
    9,747.18/13,451.12 = 5,270.94/x
  3. Step 3: Cross multiply
    9,747.18x = 13,451.12 × 5,270.94
  4. Step 4: Simplify right side
    9,747.18x = 70,900,059.63
  5. Step 5: Solve for x
    x = 70,900,059.63/9,747.18
  6. Step 6: Final answer
    x = 7,273.90

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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.