Home / 12,474.69-18,715.65-4,684.11

Finding the Fourth Proportional to 12,474.69, 18,715.65 and 4,684.11

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Solution

The fourth proportional to 12,474.69, 18,715.65 and 4,684.11 is: 7,027.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.69 : 18,715.65 = 4,684.11 : x
  2. Step 2: Convert to fraction form
    12,474.69/18,715.65 = 4,684.11/x
  3. Step 3: Cross multiply
    12,474.69x = 18,715.65 × 4,684.11
  4. Step 4: Simplify right side
    12,474.69x = 87,666,163.32
  5. Step 5: Solve for x
    x = 87,666,163.32/12,474.69
  6. Step 6: Final answer
    x = 7,027.52

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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.