Home / 9,120.56-13,676.52-4,498.16

Finding the Fourth Proportional to 9,120.56, 13,676.52 and 4,498.16

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Solution

The fourth proportional to 9,120.56, 13,676.52 and 4,498.16 is: 6,745.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,120.56 : 13,676.52 = 4,498.16 : x
  2. Step 2: Convert to fraction form
    9,120.56/13,676.52 = 4,498.16/x
  3. Step 3: Cross multiply
    9,120.56x = 13,676.52 × 4,498.16
  4. Step 4: Simplify right side
    9,120.56x = 61,519,175.20
  5. Step 5: Solve for x
    x = 61,519,175.20/9,120.56
  6. Step 6: Final answer
    x = 6,745.11

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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.