Home / 10,134.76-15,172.80-6,227.32

Finding the Fourth Proportional to 10,134.76, 15,172.80 and 6,227.32

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Solution

The fourth proportional to 10,134.76, 15,172.80 and 6,227.32 is: 9,322.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.76 : 15,172.80 = 6,227.32 : x
  2. Step 2: Convert to fraction form
    10,134.76/15,172.80 = 6,227.32/x
  3. Step 3: Cross multiply
    10,134.76x = 15,172.80 × 6,227.32
  4. Step 4: Simplify right side
    10,134.76x = 94,485,880.90
  5. Step 5: Solve for x
    x = 94,485,880.90/10,134.76
  6. Step 6: Final answer
    x = 9,322.95

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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.