Home / 10,940.55-15,096.18-6,463.68

Finding the Fourth Proportional to 10,940.55, 15,096.18 and 6,463.68

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Solution

The fourth proportional to 10,940.55, 15,096.18 and 6,463.68 is: 8,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.55 : 15,096.18 = 6,463.68 : x
  2. Step 2: Convert to fraction form
    10,940.55/15,096.18 = 6,463.68/x
  3. Step 3: Cross multiply
    10,940.55x = 15,096.18 × 6,463.68
  4. Step 4: Simplify right side
    10,940.55x = 97,576,876.74
  5. Step 5: Solve for x
    x = 97,576,876.74/10,940.55
  6. Step 6: Final answer
    x = 8,918.83

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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.