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Finding the Fourth Proportional to 8,560.02, 11,815.74 and 5,021.94

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Solution

The fourth proportional to 8,560.02, 11,815.74 and 5,021.94 is: 6,931.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,560.02 : 11,815.74 = 5,021.94 : x
  2. Step 2: Convert to fraction form
    8,560.02/11,815.74 = 5,021.94/x
  3. Step 3: Cross multiply
    8,560.02x = 11,815.74 × 5,021.94
  4. Step 4: Simplify right side
    8,560.02x = 59,337,937.34
  5. Step 5: Solve for x
    x = 59,337,937.34/8,560.02
  6. Step 6: Final answer
    x = 6,931.99

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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.