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Finding the Fourth Proportional to 8,737.10, 12,058.16 and 5,379.24

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Solution

The fourth proportional to 8,737.10, 12,058.16 and 5,379.24 is: 7,423.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.10 : 12,058.16 = 5,379.24 : x
  2. Step 2: Convert to fraction form
    8,737.10/12,058.16 = 5,379.24/x
  3. Step 3: Cross multiply
    8,737.10x = 12,058.16 × 5,379.24
  4. Step 4: Simplify right side
    8,737.10x = 64,863,709.70
  5. Step 5: Solve for x
    x = 64,863,709.70/8,737.10
  6. Step 6: Final answer
    x = 7,423.94

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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.