Home / 10,202.76-14,079.61-5,726.16

Finding the Fourth Proportional to 10,202.76, 14,079.61 and 5,726.16

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Solution

The fourth proportional to 10,202.76, 14,079.61 and 5,726.16 is: 7,901.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,202.76 : 14,079.61 = 5,726.16 : x
  2. Step 2: Convert to fraction form
    10,202.76/14,079.61 = 5,726.16/x
  3. Step 3: Cross multiply
    10,202.76x = 14,079.61 × 5,726.16
  4. Step 4: Simplify right side
    10,202.76x = 80,622,099.60
  5. Step 5: Solve for x
    x = 80,622,099.60/10,202.76
  6. Step 6: Final answer
    x = 7,901.99

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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.