Home / 9,985.52-14,974.64-3,409.94

Finding the Fourth Proportional to 9,985.52, 14,974.64 and 3,409.94

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Solution

The fourth proportional to 9,985.52, 14,974.64 and 3,409.94 is: 5,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,985.52 : 14,974.64 = 3,409.94 : x
  2. Step 2: Convert to fraction form
    9,985.52/14,974.64 = 3,409.94/x
  3. Step 3: Cross multiply
    9,985.52x = 14,974.64 × 3,409.94
  4. Step 4: Simplify right side
    9,985.52x = 51,062,623.92
  5. Step 5: Solve for x
    x = 51,062,623.92/9,985.52
  6. Step 6: Final answer
    x = 5,113.67

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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.