Home / 8,973.36-13,457.71-3,425.06

Finding the Fourth Proportional to 8,973.36, 13,457.71 and 3,425.06

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Solution

The fourth proportional to 8,973.36, 13,457.71 and 3,425.06 is: 5,136.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.36 : 13,457.71 = 3,425.06 : x
  2. Step 2: Convert to fraction form
    8,973.36/13,457.71 = 3,425.06/x
  3. Step 3: Cross multiply
    8,973.36x = 13,457.71 × 3,425.06
  4. Step 4: Simplify right side
    8,973.36x = 46,093,464.21
  5. Step 5: Solve for x
    x = 46,093,464.21/8,973.36
  6. Step 6: Final answer
    x = 5,136.70

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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.