Home / 10,746.44-16,120.02-7,640.36

Finding the Fourth Proportional to 10,746.44, 16,120.02 and 7,640.36

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Solution

The fourth proportional to 10,746.44, 16,120.02 and 7,640.36 is: 11,460.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,746.44 : 16,120.02 = 7,640.36 : x
  2. Step 2: Convert to fraction form
    10,746.44/16,120.02 = 7,640.36/x
  3. Step 3: Cross multiply
    10,746.44x = 16,120.02 × 7,640.36
  4. Step 4: Simplify right side
    10,746.44x = 123,162,756.01
  5. Step 5: Solve for x
    x = 123,162,756.01/10,746.44
  6. Step 6: Final answer
    x = 11,460.80

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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.