Home / 11,395.32-15,732.66-8,737.62

Finding the Fourth Proportional to 11,395.32, 15,732.66 and 8,737.62

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Solution

The fourth proportional to 11,395.32, 15,732.66 and 8,737.62 is: 12,063.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,395.32 : 15,732.66 = 8,737.62 : x
  2. Step 2: Convert to fraction form
    11,395.32/15,732.66 = 8,737.62/x
  3. Step 3: Cross multiply
    11,395.32x = 15,732.66 × 8,737.62
  4. Step 4: Simplify right side
    11,395.32x = 137,466,004.67
  5. Step 5: Solve for x
    x = 137,466,004.67/11,395.32
  6. Step 6: Final answer
    x = 12,063.37

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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.