Home / 34,913.81-52,371.79-8,618.56

Finding the Fourth Proportional to 34,913.81, 52,371.79 and 8,618.56

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Solution

The fourth proportional to 34,913.81, 52,371.79 and 8,618.56 is: 12,928.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,913.81 : 52,371.79 = 8,618.56 : x
  2. Step 2: Convert to fraction form
    34,913.81/52,371.79 = 8,618.56/x
  3. Step 3: Cross multiply
    34,913.81x = 52,371.79 × 8,618.56
  4. Step 4: Simplify right side
    34,913.81x = 451,369,261.95
  5. Step 5: Solve for x
    x = 451,369,261.95/34,913.81
  6. Step 6: Final answer
    x = 12,928.10

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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.