Home / 8,973.82-12,383.86-4,995.28

Finding the Fourth Proportional to 8,973.82, 12,383.86 and 4,995.28

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Solution

The fourth proportional to 8,973.82, 12,383.86 and 4,995.28 is: 6,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.82 : 12,383.86 = 4,995.28 : x
  2. Step 2: Convert to fraction form
    8,973.82/12,383.86 = 4,995.28/x
  3. Step 3: Cross multiply
    8,973.82x = 12,383.86 × 4,995.28
  4. Step 4: Simplify right side
    8,973.82x = 61,860,848.18
  5. Step 5: Solve for x
    x = 61,860,848.18/8,973.82
  6. Step 6: Final answer
    x = 6,893.48

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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.