Home / 9,760.76-13,469.84-5,284.55

Finding the Fourth Proportional to 9,760.76, 13,469.84 and 5,284.55

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Solution

The fourth proportional to 9,760.76, 13,469.84 and 5,284.55 is: 7,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760.76 : 13,469.84 = 5,284.55 : x
  2. Step 2: Convert to fraction form
    9,760.76/13,469.84 = 5,284.55/x
  3. Step 3: Cross multiply
    9,760.76x = 13,469.84 × 5,284.55
  4. Step 4: Simplify right side
    9,760.76x = 71,181,949.20
  5. Step 5: Solve for x
    x = 71,181,949.20/9,760.76
  6. Step 6: Final answer
    x = 7,292.67

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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.