Home / 8,874.50-13,311.95-3,030.75

Finding the Fourth Proportional to 8,874.50, 13,311.95 and 3,030.75

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Solution

The fourth proportional to 8,874.50, 13,311.95 and 3,030.75 is: 4,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,874.50 : 13,311.95 = 3,030.75 : x
  2. Step 2: Convert to fraction form
    8,874.50/13,311.95 = 3,030.75/x
  3. Step 3: Cross multiply
    8,874.50x = 13,311.95 × 3,030.75
  4. Step 4: Simplify right side
    8,874.50x = 40,345,177.31
  5. Step 5: Solve for x
    x = 40,345,177.31/8,874.50
  6. Step 6: Final answer
    x = 4,546.19

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1.5x scale

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.