Home / 11,865.10-16,374.61-6,829.94

Finding the Fourth Proportional to 11,865.10, 16,374.61 and 6,829.94

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Solution

The fourth proportional to 11,865.10, 16,374.61 and 6,829.94 is: 9,425.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.10 : 16,374.61 = 6,829.94 : x
  2. Step 2: Convert to fraction form
    11,865.10/16,374.61 = 6,829.94/x
  3. Step 3: Cross multiply
    11,865.10x = 16,374.61 × 6,829.94
  4. Step 4: Simplify right side
    11,865.10x = 111,837,603.82
  5. Step 5: Solve for x
    x = 111,837,603.82/11,865.10
  6. Step 6: Final answer
    x = 9,425.76

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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.