Home / 10,660.92-14,712.12-5,880.80

Finding the Fourth Proportional to 10,660.92, 14,712.12 and 5,880.80

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Solution

The fourth proportional to 10,660.92, 14,712.12 and 5,880.80 is: 8,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.92 : 14,712.12 = 5,880.80 : x
  2. Step 2: Convert to fraction form
    10,660.92/14,712.12 = 5,880.80/x
  3. Step 3: Cross multiply
    10,660.92x = 14,712.12 × 5,880.80
  4. Step 4: Simplify right side
    10,660.92x = 86,519,035.30
  5. Step 5: Solve for x
    x = 86,519,035.30/10,660.92
  6. Step 6: Final answer
    x = 8,115.53

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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.