Home / 10,680.06-16,005.54-6,777.48

Finding the Fourth Proportional to 10,680.06, 16,005.54 and 6,777.48

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Solution

The fourth proportional to 10,680.06, 16,005.54 and 6,777.48 is: 10,156.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680.06 : 16,005.54 = 6,777.48 : x
  2. Step 2: Convert to fraction form
    10,680.06/16,005.54 = 6,777.48/x
  3. Step 3: Cross multiply
    10,680.06x = 16,005.54 × 6,777.48
  4. Step 4: Simplify right side
    10,680.06x = 108,477,227.24
  5. Step 5: Solve for x
    x = 108,477,227.24/10,680.06
  6. Step 6: Final answer
    x = 10,156.99

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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.