Home / 8,109.48-11,188.06-5,452.68

Finding the Fourth Proportional to 8,109.48, 11,188.06 and 5,452.68

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Solution

The fourth proportional to 8,109.48, 11,188.06 and 5,452.68 is: 7,522.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109.48 : 11,188.06 = 5,452.68 : x
  2. Step 2: Convert to fraction form
    8,109.48/11,188.06 = 5,452.68/x
  3. Step 3: Cross multiply
    8,109.48x = 11,188.06 × 5,452.68
  4. Step 4: Simplify right side
    8,109.48x = 61,004,939.32
  5. Step 5: Solve for x
    x = 61,004,939.32/8,109.48
  6. Step 6: Final answer
    x = 7,522.67

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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.