Home / 10,876.02-16,286.11-7,539.51

Finding the Fourth Proportional to 10,876.02, 16,286.11 and 7,539.51

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Solution

The fourth proportional to 10,876.02, 16,286.11 and 7,539.51 is: 11,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,876.02 : 16,286.11 = 7,539.51 : x
  2. Step 2: Convert to fraction form
    10,876.02/16,286.11 = 7,539.51/x
  3. Step 3: Cross multiply
    10,876.02x = 16,286.11 × 7,539.51
  4. Step 4: Simplify right side
    10,876.02x = 122,789,289.21
  5. Step 5: Solve for x
    x = 122,789,289.21/10,876.02
  6. Step 6: Final answer
    x = 11,289.91

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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.