Home / 9,917.99-14,869.69-4,727.51

Finding the Fourth Proportional to 9,917.99, 14,869.69 and 4,727.51

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Solution

The fourth proportional to 9,917.99, 14,869.69 and 4,727.51 is: 7,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,917.99 : 14,869.69 = 4,727.51 : x
  2. Step 2: Convert to fraction form
    9,917.99/14,869.69 = 4,727.51/x
  3. Step 3: Cross multiply
    9,917.99x = 14,869.69 × 4,727.51
  4. Step 4: Simplify right side
    9,917.99x = 70,296,604.36
  5. Step 5: Solve for x
    x = 70,296,604.36/9,917.99
  6. Step 6: Final answer
    x = 7,087.79

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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.