Home / 8,899.75-13,345.08-2,974.51

Finding the Fourth Proportional to 8,899.75, 13,345.08 and 2,974.51

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Solution

The fourth proportional to 8,899.75, 13,345.08 and 2,974.51 is: 4,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.75 : 13,345.08 = 2,974.51 : x
  2. Step 2: Convert to fraction form
    8,899.75/13,345.08 = 2,974.51/x
  3. Step 3: Cross multiply
    8,899.75x = 13,345.08 × 2,974.51
  4. Step 4: Simplify right side
    8,899.75x = 39,695,073.91
  5. Step 5: Solve for x
    x = 39,695,073.91/8,899.75
  6. Step 6: Final answer
    x = 4,460.25

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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.