Home / 11,215.02-16,821.63-2,895.33

Finding the Fourth Proportional to 11,215.02, 16,821.63 and 2,895.33

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Solution

The fourth proportional to 11,215.02, 16,821.63 and 2,895.33 is: 4,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.02 : 16,821.63 = 2,895.33 : x
  2. Step 2: Convert to fraction form
    11,215.02/16,821.63 = 2,895.33/x
  3. Step 3: Cross multiply
    11,215.02x = 16,821.63 × 2,895.33
  4. Step 4: Simplify right side
    11,215.02x = 48,704,169.99
  5. Step 5: Solve for x
    x = 48,704,169.99/11,215.02
  6. Step 6: Final answer
    x = 4,342.76

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1.5x scale

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.