Home / 8,817.16-13,228.44-2,973.28

Finding the Fourth Proportional to 8,817.16, 13,228.44 and 2,973.28

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Solution

The fourth proportional to 8,817.16, 13,228.44 and 2,973.28 is: 4,460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.16 : 13,228.44 = 2,973.28 : x
  2. Step 2: Convert to fraction form
    8,817.16/13,228.44 = 2,973.28/x
  3. Step 3: Cross multiply
    8,817.16x = 13,228.44 × 2,973.28
  4. Step 4: Simplify right side
    8,817.16x = 39,331,775.07
  5. Step 5: Solve for x
    x = 39,331,775.07/8,817.16
  6. Step 6: Final answer
    x = 4,460.82

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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.