Home / 8,890.92-13,320.72-5,927.81

Finding the Fourth Proportional to 8,890.92, 13,320.72 and 5,927.81

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Solution

The fourth proportional to 8,890.92, 13,320.72 and 5,927.81 is: 8,881.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.92 : 13,320.72 = 5,927.81 : x
  2. Step 2: Convert to fraction form
    8,890.92/13,320.72 = 5,927.81/x
  3. Step 3: Cross multiply
    8,890.92x = 13,320.72 × 5,927.81
  4. Step 4: Simplify right side
    8,890.92x = 78,962,630.62
  5. Step 5: Solve for x
    x = 78,962,630.62/8,890.92
  6. Step 6: Final answer
    x = 8,881.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.