Home / 9,028.98-12,461.36-5,491.51

Finding the Fourth Proportional to 9,028.98, 12,461.36 and 5,491.51

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Solution

The fourth proportional to 9,028.98, 12,461.36 and 5,491.51 is: 7,579.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.98 : 12,461.36 = 5,491.51 : x
  2. Step 2: Convert to fraction form
    9,028.98/12,461.36 = 5,491.51/x
  3. Step 3: Cross multiply
    9,028.98x = 12,461.36 × 5,491.51
  4. Step 4: Simplify right side
    9,028.98x = 68,431,624.44
  5. Step 5: Solve for x
    x = 68,431,624.44/9,028.98
  6. Step 6: Final answer
    x = 7,579.11

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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.