Home / 10,436.36-15,653.84-4,890.92

Finding the Fourth Proportional to 10,436.36, 15,653.84 and 4,890.92

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Solution

The fourth proportional to 10,436.36, 15,653.84 and 4,890.92 is: 7,336.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,436.36 : 15,653.84 = 4,890.92 : x
  2. Step 2: Convert to fraction form
    10,436.36/15,653.84 = 4,890.92/x
  3. Step 3: Cross multiply
    10,436.36x = 15,653.84 × 4,890.92
  4. Step 4: Simplify right side
    10,436.36x = 76,561,576.41
  5. Step 5: Solve for x
    x = 76,561,576.41/10,436.36
  6. Step 6: Final answer
    x = 7,336.05

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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.