Home / 11,267.60-16,905-4,694.48

Finding the Fourth Proportional to 11,267.60, 16,905 and 4,694.48

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Solution

The fourth proportional to 11,267.60, 16,905 and 4,694.48 is: 7,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,267.60 : 16,905 = 4,694.48 : x
  2. Step 2: Convert to fraction form
    11,267.60/16,905 = 4,694.48/x
  3. Step 3: Cross multiply
    11,267.60x = 16,905 × 4,694.48
  4. Step 4: Simplify right side
    11,267.60x = 79,360,184.40
  5. Step 5: Solve for x
    x = 79,360,184.40/11,267.60
  6. Step 6: Final answer
    x = 7,043.22

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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.