Home / 8,836.60-13,255.02-3,905.08

Finding the Fourth Proportional to 8,836.60, 13,255.02 and 3,905.08

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Solution

The fourth proportional to 8,836.60, 13,255.02 and 3,905.08 is: 5,857.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.60 : 13,255.02 = 3,905.08 : x
  2. Step 2: Convert to fraction form
    8,836.60/13,255.02 = 3,905.08/x
  3. Step 3: Cross multiply
    8,836.60x = 13,255.02 × 3,905.08
  4. Step 4: Simplify right side
    8,836.60x = 51,761,913.50
  5. Step 5: Solve for x
    x = 51,761,913.50/8,836.60
  6. Step 6: Final answer
    x = 5,857.67

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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.