Home / 8,935.98-13,390.30-4,776.58

Finding the Fourth Proportional to 8,935.98, 13,390.30 and 4,776.58

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Solution

The fourth proportional to 8,935.98, 13,390.30 and 4,776.58 is: 7,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.98 : 13,390.30 = 4,776.58 : x
  2. Step 2: Convert to fraction form
    8,935.98/13,390.30 = 4,776.58/x
  3. Step 3: Cross multiply
    8,935.98x = 13,390.30 × 4,776.58
  4. Step 4: Simplify right side
    8,935.98x = 63,959,759.69
  5. Step 5: Solve for x
    x = 63,959,759.69/8,935.98
  6. Step 6: Final answer
    x = 7,157.56

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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.