Home / 10,829.75-14,945.10-5,861.75

Finding the Fourth Proportional to 10,829.75, 14,945.10 and 5,861.75

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Solution

The fourth proportional to 10,829.75, 14,945.10 and 5,861.75 is: 8,089.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,829.75 : 14,945.10 = 5,861.75 : x
  2. Step 2: Convert to fraction form
    10,829.75/14,945.10 = 5,861.75/x
  3. Step 3: Cross multiply
    10,829.75x = 14,945.10 × 5,861.75
  4. Step 4: Simplify right side
    10,829.75x = 87,604,439.93
  5. Step 5: Solve for x
    x = 87,604,439.93/10,829.75
  6. Step 6: Final answer
    x = 8,089.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.