Home / 8,880.12-12,246.66-6,186.87

Finding the Fourth Proportional to 8,880.12, 12,246.66 and 6,186.87

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Solution

The fourth proportional to 8,880.12, 12,246.66 and 6,186.87 is: 8,532.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.12 : 12,246.66 = 6,186.87 : x
  2. Step 2: Convert to fraction form
    8,880.12/12,246.66 = 6,186.87/x
  3. Step 3: Cross multiply
    8,880.12x = 12,246.66 × 6,186.87
  4. Step 4: Simplify right side
    8,880.12x = 75,768,493.35
  5. Step 5: Solve for x
    x = 75,768,493.35/8,880.12
  6. Step 6: Final answer
    x = 8,532.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.