Home / 7,440.18-10,262.88-6,173.88

Finding the Fourth Proportional to 7,440.18, 10,262.88 and 6,173.88

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Solution

The fourth proportional to 7,440.18, 10,262.88 and 6,173.88 is: 8,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.18 : 10,262.88 = 6,173.88 : x
  2. Step 2: Convert to fraction form
    7,440.18/10,262.88 = 6,173.88/x
  3. Step 3: Cross multiply
    7,440.18x = 10,262.88 × 6,173.88
  4. Step 4: Simplify right side
    7,440.18x = 63,361,789.57
  5. Step 5: Solve for x
    x = 63,361,789.57/7,440.18
  6. Step 6: Final answer
    x = 8,516.16

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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.