Home / 8,317.69-12,479.96-6,107.81

Finding the Fourth Proportional to 8,317.69, 12,479.96 and 6,107.81

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Solution

The fourth proportional to 8,317.69, 12,479.96 and 6,107.81 is: 9,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.69 : 12,479.96 = 6,107.81 : x
  2. Step 2: Convert to fraction form
    8,317.69/12,479.96 = 6,107.81/x
  3. Step 3: Cross multiply
    8,317.69x = 12,479.96 × 6,107.81
  4. Step 4: Simplify right side
    8,317.69x = 76,225,143.00
  5. Step 5: Solve for x
    x = 76,225,143.00/8,317.69
  6. Step 6: Final answer
    x = 9,164.22

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1.5x scale

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.