Home / 10,102.22-15,152.97-3,081.95

Finding the Fourth Proportional to 10,102.22, 15,152.97 and 3,081.95

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Solution

The fourth proportional to 10,102.22, 15,152.97 and 3,081.95 is: 4,622.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.22 : 15,152.97 = 3,081.95 : x
  2. Step 2: Convert to fraction form
    10,102.22/15,152.97 = 3,081.95/x
  3. Step 3: Cross multiply
    10,102.22x = 15,152.97 × 3,081.95
  4. Step 4: Simplify right side
    10,102.22x = 46,700,688.51
  5. Step 5: Solve for x
    x = 46,700,688.51/10,102.22
  6. Step 6: Final answer
    x = 4,622.82

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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.