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Finding the Fourth Proportional to 9,103.70, 12,563.70 and 5,124.44

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Solution

The fourth proportional to 9,103.70, 12,563.70 and 5,124.44 is: 7,072.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,103.70 : 12,563.70 = 5,124.44 : x
  2. Step 2: Convert to fraction form
    9,103.70/12,563.70 = 5,124.44/x
  3. Step 3: Cross multiply
    9,103.70x = 12,563.70 × 5,124.44
  4. Step 4: Simplify right side
    9,103.70x = 64,381,926.83
  5. Step 5: Solve for x
    x = 64,381,926.83/9,103.70
  6. Step 6: Final answer
    x = 7,072.06

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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.