Home / 10,418.33-15,624.24-3,491.21

Finding the Fourth Proportional to 10,418.33, 15,624.24 and 3,491.21

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Solution

The fourth proportional to 10,418.33, 15,624.24 and 3,491.21 is: 5,235.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.33 : 15,624.24 = 3,491.21 : x
  2. Step 2: Convert to fraction form
    10,418.33/15,624.24 = 3,491.21/x
  3. Step 3: Cross multiply
    10,418.33x = 15,624.24 × 3,491.21
  4. Step 4: Simplify right side
    10,418.33x = 54,547,502.93
  5. Step 5: Solve for x
    x = 54,547,502.93/10,418.33
  6. Step 6: Final answer
    x = 5,235.72

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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.