Home / 10,940.76-15,099.36-6,465.96

Finding the Fourth Proportional to 10,940.76, 15,099.36 and 6,465.96

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Solution

The fourth proportional to 10,940.76, 15,099.36 and 6,465.96 is: 8,923.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.76 : 15,099.36 = 6,465.96 : x
  2. Step 2: Convert to fraction form
    10,940.76/15,099.36 = 6,465.96/x
  3. Step 3: Cross multiply
    10,940.76x = 15,099.36 × 6,465.96
  4. Step 4: Simplify right side
    10,940.76x = 97,631,857.79
  5. Step 5: Solve for x
    x = 97,631,857.79/10,940.76
  6. Step 6: Final answer
    x = 8,923.68

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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.