Home / 11,641.02-16,083.41-8,119.95

Finding the Fourth Proportional to 11,641.02, 16,083.41 and 8,119.95

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Solution

The fourth proportional to 11,641.02, 16,083.41 and 8,119.95 is: 11,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.02 : 16,083.41 = 8,119.95 : x
  2. Step 2: Convert to fraction form
    11,641.02/16,083.41 = 8,119.95/x
  3. Step 3: Cross multiply
    11,641.02x = 16,083.41 × 8,119.95
  4. Step 4: Simplify right side
    11,641.02x = 130,596,429.79
  5. Step 5: Solve for x
    x = 130,596,429.79/11,641.02
  6. Step 6: Final answer
    x = 11,218.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.