Home / 11,544.62-15,930.36-6,509.61

Finding the Fourth Proportional to 11,544.62, 15,930.36 and 6,509.61

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Solution

The fourth proportional to 11,544.62, 15,930.36 and 6,509.61 is: 8,982.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,544.62 : 15,930.36 = 6,509.61 : x
  2. Step 2: Convert to fraction form
    11,544.62/15,930.36 = 6,509.61/x
  3. Step 3: Cross multiply
    11,544.62x = 15,930.36 × 6,509.61
  4. Step 4: Simplify right side
    11,544.62x = 103,700,430.76
  5. Step 5: Solve for x
    x = 103,700,430.76/11,544.62
  6. Step 6: Final answer
    x = 8,982.58

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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.