Home / 10,201.95-14,078.43-5,726.79

Finding the Fourth Proportional to 10,201.95, 14,078.43 and 5,726.79

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Solution

The fourth proportional to 10,201.95, 14,078.43 and 5,726.79 is: 7,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.95 : 14,078.43 = 5,726.79 : x
  2. Step 2: Convert to fraction form
    10,201.95/14,078.43 = 5,726.79/x
  3. Step 3: Cross multiply
    10,201.95x = 14,078.43 × 5,726.79
  4. Step 4: Simplify right side
    10,201.95x = 80,624,212.14
  5. Step 5: Solve for x
    x = 80,624,212.14/10,201.95
  6. Step 6: Final answer
    x = 7,902.82

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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.