Home / 10,192.12-15,285.67-5,751.77

Finding the Fourth Proportional to 10,192.12, 15,285.67 and 5,751.77

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Solution

The fourth proportional to 10,192.12, 15,285.67 and 5,751.77 is: 8,626.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,192.12 : 15,285.67 = 5,751.77 : x
  2. Step 2: Convert to fraction form
    10,192.12/15,285.67 = 5,751.77/x
  3. Step 3: Cross multiply
    10,192.12x = 15,285.67 × 5,751.77
  4. Step 4: Simplify right side
    10,192.12x = 87,919,567.33
  5. Step 5: Solve for x
    x = 87,919,567.33/10,192.12
  6. Step 6: Final answer
    x = 8,626.23

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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.