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Finding the Fourth Proportional to 8,713.02, 12,025 and 5,176.26

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Solution

The fourth proportional to 8,713.02, 12,025 and 5,176.26 is: 7,143.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.02 : 12,025 = 5,176.26 : x
  2. Step 2: Convert to fraction form
    8,713.02/12,025 = 5,176.26/x
  3. Step 3: Cross multiply
    8,713.02x = 12,025 × 5,176.26
  4. Step 4: Simplify right side
    8,713.02x = 62,244,526.50
  5. Step 5: Solve for x
    x = 62,244,526.50/8,713.02
  6. Step 6: Final answer
    x = 7,143.85

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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.