Home / 8,174.67-11,280.60-4,639.02

Finding the Fourth Proportional to 8,174.67, 11,280.60 and 4,639.02

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Solution

The fourth proportional to 8,174.67, 11,280.60 and 4,639.02 is: 6,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.67 : 11,280.60 = 4,639.02 : x
  2. Step 2: Convert to fraction form
    8,174.67/11,280.60 = 4,639.02/x
  3. Step 3: Cross multiply
    8,174.67x = 11,280.60 × 4,639.02
  4. Step 4: Simplify right side
    8,174.67x = 52,330,929.01
  5. Step 5: Solve for x
    x = 52,330,929.01/8,174.67
  6. Step 6: Final answer
    x = 6,401.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.