Home / 9,976.28-14,967.66-4,782.56

Finding the Fourth Proportional to 9,976.28, 14,967.66 and 4,782.56

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Solution

The fourth proportional to 9,976.28, 14,967.66 and 4,782.56 is: 7,175.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.28 : 14,967.66 = 4,782.56 : x
  2. Step 2: Convert to fraction form
    9,976.28/14,967.66 = 4,782.56/x
  3. Step 3: Cross multiply
    9,976.28x = 14,967.66 × 4,782.56
  4. Step 4: Simplify right side
    9,976.28x = 71,583,732.01
  5. Step 5: Solve for x
    x = 71,583,732.01/9,976.28
  6. Step 6: Final answer
    x = 7,175.39

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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.