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Finding the Fourth Proportional to 8,312.51, 12,452.36 and 6,234.86

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Solution

The fourth proportional to 8,312.51, 12,452.36 and 6,234.86 is: 9,339.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.51 : 12,452.36 = 6,234.86 : x
  2. Step 2: Convert to fraction form
    8,312.51/12,452.36 = 6,234.86/x
  3. Step 3: Cross multiply
    8,312.51x = 12,452.36 × 6,234.86
  4. Step 4: Simplify right side
    8,312.51x = 77,638,721.27
  5. Step 5: Solve for x
    x = 77,638,721.27/8,312.51
  6. Step 6: Final answer
    x = 9,339.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.