Home / 11,729.10-17,578.61-4,795.34

Finding the Fourth Proportional to 11,729.10, 17,578.61 and 4,795.34

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Solution

The fourth proportional to 11,729.10, 17,578.61 and 4,795.34 is: 7,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.10 : 17,578.61 = 4,795.34 : x
  2. Step 2: Convert to fraction form
    11,729.10/17,578.61 = 4,795.34/x
  3. Step 3: Cross multiply
    11,729.10x = 17,578.61 × 4,795.34
  4. Step 4: Simplify right side
    11,729.10x = 84,295,411.68
  5. Step 5: Solve for x
    x = 84,295,411.68/11,729.10
  6. Step 6: Final answer
    x = 7,186.86

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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.