Home / 9,040.20-13,563.06-3,117.21

Finding the Fourth Proportional to 9,040.20, 13,563.06 and 3,117.21

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Solution

The fourth proportional to 9,040.20, 13,563.06 and 3,117.21 is: 4,676.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.20 : 13,563.06 = 3,117.21 : x
  2. Step 2: Convert to fraction form
    9,040.20/13,563.06 = 3,117.21/x
  3. Step 3: Cross multiply
    9,040.20x = 13,563.06 × 3,117.21
  4. Step 4: Simplify right side
    9,040.20x = 42,278,906.26
  5. Step 5: Solve for x
    x = 42,278,906.26/9,040.20
  6. Step 6: Final answer
    x = 4,676.77

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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.