Home / 8,890.38-13,335.57-3,047.04

Finding the Fourth Proportional to 8,890.38, 13,335.57 and 3,047.04

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Solution

The fourth proportional to 8,890.38, 13,335.57 and 3,047.04 is: 4,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.38 : 13,335.57 = 3,047.04 : x
  2. Step 2: Convert to fraction form
    8,890.38/13,335.57 = 3,047.04/x
  3. Step 3: Cross multiply
    8,890.38x = 13,335.57 × 3,047.04
  4. Step 4: Simplify right side
    8,890.38x = 40,634,015.21
  5. Step 5: Solve for x
    x = 40,634,015.21/8,890.38
  6. Step 6: Final answer
    x = 4,570.56

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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.