Home / 8,336.34-11,509.14-5,196.78

Finding the Fourth Proportional to 8,336.34, 11,509.14 and 5,196.78

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Solution

The fourth proportional to 8,336.34, 11,509.14 and 5,196.78 is: 7,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.34 : 11,509.14 = 5,196.78 : x
  2. Step 2: Convert to fraction form
    8,336.34/11,509.14 = 5,196.78/x
  3. Step 3: Cross multiply
    8,336.34x = 11,509.14 × 5,196.78
  4. Step 4: Simplify right side
    8,336.34x = 59,810,468.57
  5. Step 5: Solve for x
    x = 59,810,468.57/8,336.34
  6. Step 6: Final answer
    x = 7,174.67

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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.