Home / 8,144.40-11,239.82-4,559.68

Finding the Fourth Proportional to 8,144.40, 11,239.82 and 4,559.68

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Solution

The fourth proportional to 8,144.40, 11,239.82 and 4,559.68 is: 6,292.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,144.40 : 11,239.82 = 4,559.68 : x
  2. Step 2: Convert to fraction form
    8,144.40/11,239.82 = 4,559.68/x
  3. Step 3: Cross multiply
    8,144.40x = 11,239.82 × 4,559.68
  4. Step 4: Simplify right side
    8,144.40x = 51,249,982.46
  5. Step 5: Solve for x
    x = 51,249,982.46/8,144.40
  6. Step 6: Final answer
    x = 6,292.67

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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.