Home / 8,810.91-13,218.53-2,967.57

Finding the Fourth Proportional to 8,810.91, 13,218.53 and 2,967.57

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Solution

The fourth proportional to 8,810.91, 13,218.53 and 2,967.57 is: 4,452.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.91 : 13,218.53 = 2,967.57 : x
  2. Step 2: Convert to fraction form
    8,810.91/13,218.53 = 2,967.57/x
  3. Step 3: Cross multiply
    8,810.91x = 13,218.53 × 2,967.57
  4. Step 4: Simplify right side
    8,810.91x = 39,226,898.23
  5. Step 5: Solve for x
    x = 39,226,898.23/8,810.91
  6. Step 6: Final answer
    x = 4,452.08

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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.