Home / 8,431.91-11,636.56-4,848.01

Finding the Fourth Proportional to 8,431.91, 11,636.56 and 4,848.01

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Solution

The fourth proportional to 8,431.91, 11,636.56 and 4,848.01 is: 6,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.91 : 11,636.56 = 4,848.01 : x
  2. Step 2: Convert to fraction form
    8,431.91/11,636.56 = 4,848.01/x
  3. Step 3: Cross multiply
    8,431.91x = 11,636.56 × 4,848.01
  4. Step 4: Simplify right side
    8,431.91x = 56,414,136.21
  5. Step 5: Solve for x
    x = 56,414,136.21/8,431.91
  6. Step 6: Final answer
    x = 6,690.55

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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.