Home / 8,817.84-13,222.08-2,972.52

Finding the Fourth Proportional to 8,817.84, 13,222.08 and 2,972.52

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Solution

The fourth proportional to 8,817.84, 13,222.08 and 2,972.52 is: 4,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,817.84 : 13,222.08 = 2,972.52 : x
  2. Step 2: Convert to fraction form
    8,817.84/13,222.08 = 2,972.52/x
  3. Step 3: Cross multiply
    8,817.84x = 13,222.08 × 2,972.52
  4. Step 4: Simplify right side
    8,817.84x = 39,302,897.24
  5. Step 5: Solve for x
    x = 39,302,897.24/8,817.84
  6. Step 6: Final answer
    x = 4,457.20

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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.