Home / 8,176.60-12,271.08-5,991.02

Finding the Fourth Proportional to 8,176.60, 12,271.08 and 5,991.02

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Solution

The fourth proportional to 8,176.60, 12,271.08 and 5,991.02 is: 8,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.60 : 12,271.08 = 5,991.02 : x
  2. Step 2: Convert to fraction form
    8,176.60/12,271.08 = 5,991.02/x
  3. Step 3: Cross multiply
    8,176.60x = 12,271.08 × 5,991.02
  4. Step 4: Simplify right side
    8,176.60x = 73,516,285.70
  5. Step 5: Solve for x
    x = 73,516,285.70/8,176.60
  6. Step 6: Final answer
    x = 8,991.06

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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.