Home / 8,223.04-12,316.86-5,451.04

Finding the Fourth Proportional to 8,223.04, 12,316.86 and 5,451.04

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Solution

The fourth proportional to 8,223.04, 12,316.86 and 5,451.04 is: 8,164.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.04 : 12,316.86 = 5,451.04 : x
  2. Step 2: Convert to fraction form
    8,223.04/12,316.86 = 5,451.04/x
  3. Step 3: Cross multiply
    8,223.04x = 12,316.86 × 5,451.04
  4. Step 4: Simplify right side
    8,223.04x = 67,139,696.53
  5. Step 5: Solve for x
    x = 67,139,696.53/8,223.04
  6. Step 6: Final answer
    x = 8,164.83

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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.