Home / 11,140.82-15,374.09-6,104.93

Finding the Fourth Proportional to 11,140.82, 15,374.09 and 6,104.93

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Solution

The fourth proportional to 11,140.82, 15,374.09 and 6,104.93 is: 8,424.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.82 : 15,374.09 = 6,104.93 : x
  2. Step 2: Convert to fraction form
    11,140.82/15,374.09 = 6,104.93/x
  3. Step 3: Cross multiply
    11,140.82x = 15,374.09 × 6,104.93
  4. Step 4: Simplify right side
    11,140.82x = 93,857,635.87
  5. Step 5: Solve for x
    x = 93,857,635.87/11,140.82
  6. Step 6: Final answer
    x = 8,424.67

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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.