Home / 8,701.39-13,059.02-3,156.33

Finding the Fourth Proportional to 8,701.39, 13,059.02 and 3,156.33

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Solution

The fourth proportional to 8,701.39, 13,059.02 and 3,156.33 is: 4,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.39 : 13,059.02 = 3,156.33 : x
  2. Step 2: Convert to fraction form
    8,701.39/13,059.02 = 3,156.33/x
  3. Step 3: Cross multiply
    8,701.39x = 13,059.02 × 3,156.33
  4. Step 4: Simplify right side
    8,701.39x = 41,218,576.60
  5. Step 5: Solve for x
    x = 41,218,576.60/8,701.39
  6. Step 6: Final answer
    x = 4,737.01

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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.