Home / 12,472.14-18,709.02-3,706.32

Finding the Fourth Proportional to 12,472.14, 18,709.02 and 3,706.32

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Solution

The fourth proportional to 12,472.14, 18,709.02 and 3,706.32 is: 5,559.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.14 : 18,709.02 = 3,706.32 : x
  2. Step 2: Convert to fraction form
    12,472.14/18,709.02 = 3,706.32/x
  3. Step 3: Cross multiply
    12,472.14x = 18,709.02 × 3,706.32
  4. Step 4: Simplify right side
    12,472.14x = 69,341,615.01
  5. Step 5: Solve for x
    x = 69,341,615.01/12,472.14
  6. Step 6: Final answer
    x = 5,559.72

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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.