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Finding the Fourth Proportional to 8,393.89, 11,582.65 and 4,856.44

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Solution

The fourth proportional to 8,393.89, 11,582.65 and 4,856.44 is: 6,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.89 : 11,582.65 = 4,856.44 : x
  2. Step 2: Convert to fraction form
    8,393.89/11,582.65 = 4,856.44/x
  3. Step 3: Cross multiply
    8,393.89x = 11,582.65 × 4,856.44
  4. Step 4: Simplify right side
    8,393.89x = 56,250,444.77
  5. Step 5: Solve for x
    x = 56,250,444.77/8,393.89
  6. Step 6: Final answer
    x = 6,701.36

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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.