Home / 11,159.03-16,738.48-2,838.98

Finding the Fourth Proportional to 11,159.03, 16,738.48 and 2,838.98

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Solution

The fourth proportional to 11,159.03, 16,738.48 and 2,838.98 is: 4,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,159.03 : 16,738.48 = 2,838.98 : x
  2. Step 2: Convert to fraction form
    11,159.03/16,738.48 = 2,838.98/x
  3. Step 3: Cross multiply
    11,159.03x = 16,738.48 × 2,838.98
  4. Step 4: Simplify right side
    11,159.03x = 47,520,195.76
  5. Step 5: Solve for x
    x = 47,520,195.76/11,159.03
  6. Step 6: Final answer
    x = 4,258.45

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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.