Home / 8,316.99-12,474.23-3,386.52

Finding the Fourth Proportional to 8,316.99, 12,474.23 and 3,386.52

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Solution

The fourth proportional to 8,316.99, 12,474.23 and 3,386.52 is: 5,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.99 : 12,474.23 = 3,386.52 : x
  2. Step 2: Convert to fraction form
    8,316.99/12,474.23 = 3,386.52/x
  3. Step 3: Cross multiply
    8,316.99x = 12,474.23 × 3,386.52
  4. Step 4: Simplify right side
    8,316.99x = 42,244,212.45
  5. Step 5: Solve for x
    x = 42,244,212.45/8,316.99
  6. Step 6: Final answer
    x = 5,079.27

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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.