Home / 8,440.83-11,648.34-4,714.83

Finding the Fourth Proportional to 8,440.83, 11,648.34 and 4,714.83

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Solution

The fourth proportional to 8,440.83, 11,648.34 and 4,714.83 is: 6,506.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.83 : 11,648.34 = 4,714.83 : x
  2. Step 2: Convert to fraction form
    8,440.83/11,648.34 = 4,714.83/x
  3. Step 3: Cross multiply
    8,440.83x = 11,648.34 × 4,714.83
  4. Step 4: Simplify right side
    8,440.83x = 54,919,942.88
  5. Step 5: Solve for x
    x = 54,919,942.88/8,440.83
  6. Step 6: Final answer
    x = 6,506.46

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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.