Home / 8,011.12-12,022.88-5,237.04

Finding the Fourth Proportional to 8,011.12, 12,022.88 and 5,237.04

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Solution

The fourth proportional to 8,011.12, 12,022.88 and 5,237.04 is: 7,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.12 : 12,022.88 = 5,237.04 : x
  2. Step 2: Convert to fraction form
    8,011.12/12,022.88 = 5,237.04/x
  3. Step 3: Cross multiply
    8,011.12x = 12,022.88 × 5,237.04
  4. Step 4: Simplify right side
    8,011.12x = 62,964,303.48
  5. Step 5: Solve for x
    x = 62,964,303.48/8,011.12
  6. Step 6: Final answer
    x = 7,859.61

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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.