Home / 6,440.22-9,644.58-5,816.92

Finding the Fourth Proportional to 6,440.22, 9,644.58 and 5,816.92

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Solution

The fourth proportional to 6,440.22, 9,644.58 and 5,816.92 is: 8,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.22 : 9,644.58 = 5,816.92 : x
  2. Step 2: Convert to fraction form
    6,440.22/9,644.58 = 5,816.92/x
  3. Step 3: Cross multiply
    6,440.22x = 9,644.58 × 5,816.92
  4. Step 4: Simplify right side
    6,440.22x = 56,101,750.29
  5. Step 5: Solve for x
    x = 56,101,750.29/6,440.22
  6. Step 6: Final answer
    x = 8,711.15

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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.