Home / 6,985.88-10,472.31-4,795.64

Finding the Fourth Proportional to 6,985.88, 10,472.31 and 4,795.64

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Solution

The fourth proportional to 6,985.88, 10,472.31 and 4,795.64 is: 7,188.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.88 : 10,472.31 = 4,795.64 : x
  2. Step 2: Convert to fraction form
    6,985.88/10,472.31 = 4,795.64/x
  3. Step 3: Cross multiply
    6,985.88x = 10,472.31 × 4,795.64
  4. Step 4: Simplify right side
    6,985.88x = 50,221,428.73
  5. Step 5: Solve for x
    x = 50,221,428.73/6,985.88
  6. Step 6: Final answer
    x = 7,188.99

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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.