Home / 8,855.02-13,260.60-5,146

Finding the Fourth Proportional to 8,855.02, 13,260.60 and 5,146

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Solution

The fourth proportional to 8,855.02, 13,260.60 and 5,146 is: 7,706.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.02 : 13,260.60 = 5,146 : x
  2. Step 2: Convert to fraction form
    8,855.02/13,260.60 = 5,146/x
  3. Step 3: Cross multiply
    8,855.02x = 13,260.60 × 5,146
  4. Step 4: Simplify right side
    8,855.02x = 68,239,047.60
  5. Step 5: Solve for x
    x = 68,239,047.60/8,855.02
  6. Step 6: Final answer
    x = 7,706.26

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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.