Home / 9,816.35-14,724.85-3,894.36

Finding the Fourth Proportional to 9,816.35, 14,724.85 and 3,894.36

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Solution

The fourth proportional to 9,816.35, 14,724.85 and 3,894.36 is: 5,841.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.35 : 14,724.85 = 3,894.36 : x
  2. Step 2: Convert to fraction form
    9,816.35/14,724.85 = 3,894.36/x
  3. Step 3: Cross multiply
    9,816.35x = 14,724.85 × 3,894.36
  4. Step 4: Simplify right side
    9,816.35x = 57,343,866.85
  5. Step 5: Solve for x
    x = 57,343,866.85/9,816.35
  6. Step 6: Final answer
    x = 5,841.67

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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.