Home / 11,128.21-15,356.93-6,092.76

Finding the Fourth Proportional to 11,128.21, 15,356.93 and 6,092.76

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Solution

The fourth proportional to 11,128.21, 15,356.93 and 6,092.76 is: 8,408.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,128.21 : 15,356.93 = 6,092.76 : x
  2. Step 2: Convert to fraction form
    11,128.21/15,356.93 = 6,092.76/x
  3. Step 3: Cross multiply
    11,128.21x = 15,356.93 × 6,092.76
  4. Step 4: Simplify right side
    11,128.21x = 93,566,037.79
  5. Step 5: Solve for x
    x = 93,566,037.79/11,128.21
  6. Step 6: Final answer
    x = 8,408.00

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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.