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Finding the Fourth Proportional to 10,726.28, 14,803.08 and 6,750.80

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Solution

The fourth proportional to 10,726.28, 14,803.08 and 6,750.80 is: 9,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726.28 : 14,803.08 = 6,750.80 : x
  2. Step 2: Convert to fraction form
    10,726.28/14,803.08 = 6,750.80/x
  3. Step 3: Cross multiply
    10,726.28x = 14,803.08 × 6,750.80
  4. Step 4: Simplify right side
    10,726.28x = 99,932,632.46
  5. Step 5: Solve for x
    x = 99,932,632.46/10,726.28
  6. Step 6: Final answer
    x = 9,316.62

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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.