Home / 10,338.36-15,502.76-3,317.08

Finding the Fourth Proportional to 10,338.36, 15,502.76 and 3,317.08

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Solution

The fourth proportional to 10,338.36, 15,502.76 and 3,317.08 is: 4,974.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.36 : 15,502.76 = 3,317.08 : x
  2. Step 2: Convert to fraction form
    10,338.36/15,502.76 = 3,317.08/x
  3. Step 3: Cross multiply
    10,338.36x = 15,502.76 × 3,317.08
  4. Step 4: Simplify right side
    10,338.36x = 51,423,895.14
  5. Step 5: Solve for x
    x = 51,423,895.14/10,338.36
  6. Step 6: Final answer
    x = 4,974.09

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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.