Home / 10,525.47-15,789.65-3,861.11

Finding the Fourth Proportional to 10,525.47, 15,789.65 and 3,861.11

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Solution

The fourth proportional to 10,525.47, 15,789.65 and 3,861.11 is: 5,792.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.47 : 15,789.65 = 3,861.11 : x
  2. Step 2: Convert to fraction form
    10,525.47/15,789.65 = 3,861.11/x
  3. Step 3: Cross multiply
    10,525.47x = 15,789.65 × 3,861.11
  4. Step 4: Simplify right side
    10,525.47x = 60,965,477.26
  5. Step 5: Solve for x
    x = 60,965,477.26/10,525.47
  6. Step 6: Final answer
    x = 5,792.19

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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.