Home / 8,817.24-13,220.58-2,973.08

Finding the Fourth Proportional to 8,817.24, 13,220.58 and 2,973.08

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Solution

The fourth proportional to 8,817.24, 13,220.58 and 2,973.08 is: 4,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.24 : 13,220.58 = 2,973.08 : x
  2. Step 2: Convert to fraction form
    8,817.24/13,220.58 = 2,973.08/x
  3. Step 3: Cross multiply
    8,817.24x = 13,220.58 × 2,973.08
  4. Step 4: Simplify right side
    8,817.24x = 39,305,841.99
  5. Step 5: Solve for x
    x = 39,305,841.99/8,817.24
  6. Step 6: Final answer
    x = 4,457.84

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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.