Home / 10,020.33-15,033.96-3,782.13

Finding the Fourth Proportional to 10,020.33, 15,033.96 and 3,782.13

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Solution

The fourth proportional to 10,020.33, 15,033.96 and 3,782.13 is: 5,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.33 : 15,033.96 = 3,782.13 : x
  2. Step 2: Convert to fraction form
    10,020.33/15,033.96 = 3,782.13/x
  3. Step 3: Cross multiply
    10,020.33x = 15,033.96 × 3,782.13
  4. Step 4: Simplify right side
    10,020.33x = 56,860,391.13
  5. Step 5: Solve for x
    x = 56,860,391.13/10,020.33
  6. Step 6: Final answer
    x = 5,674.50

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1.5x scale

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.