Home / 10,636.40-15,955.16-2,738.99

Finding the Fourth Proportional to 10,636.40, 15,955.16 and 2,738.99

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Solution

The fourth proportional to 10,636.40, 15,955.16 and 2,738.99 is: 4,108.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636.40 : 15,955.16 = 2,738.99 : x
  2. Step 2: Convert to fraction form
    10,636.40/15,955.16 = 2,738.99/x
  3. Step 3: Cross multiply
    10,636.40x = 15,955.16 × 2,738.99
  4. Step 4: Simplify right side
    10,636.40x = 43,700,930.22
  5. Step 5: Solve for x
    x = 43,700,930.22/10,636.40
  6. Step 6: Final answer
    x = 4,108.62

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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.