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Finding the Fourth Proportional to 8,797.88, 12,143.04 and 5,814.20

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Solution

The fourth proportional to 8,797.88, 12,143.04 and 5,814.20 is: 8,024.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.88 : 12,143.04 = 5,814.20 : x
  2. Step 2: Convert to fraction form
    8,797.88/12,143.04 = 5,814.20/x
  3. Step 3: Cross multiply
    8,797.88x = 12,143.04 × 5,814.20
  4. Step 4: Simplify right side
    8,797.88x = 70,602,063.17
  5. Step 5: Solve for x
    x = 70,602,063.17/8,797.88
  6. Step 6: Final answer
    x = 8,024.89

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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.