Home / 8,812.24-12,157.32-6,012.88

Finding the Fourth Proportional to 8,812.24, 12,157.32 and 6,012.88

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Solution

The fourth proportional to 8,812.24, 12,157.32 and 6,012.88 is: 8,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.24 : 12,157.32 = 6,012.88 : x
  2. Step 2: Convert to fraction form
    8,812.24/12,157.32 = 6,012.88/x
  3. Step 3: Cross multiply
    8,812.24x = 12,157.32 × 6,012.88
  4. Step 4: Simplify right side
    8,812.24x = 73,100,506.28
  5. Step 5: Solve for x
    x = 73,100,506.28/8,812.24
  6. Step 6: Final answer
    x = 8,295.34

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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.