Home / 11,884.02-16,399.91-6,433.08

Finding the Fourth Proportional to 11,884.02, 16,399.91 and 6,433.08

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Solution

The fourth proportional to 11,884.02, 16,399.91 and 6,433.08 is: 8,877.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,884.02 : 16,399.91 = 6,433.08 : x
  2. Step 2: Convert to fraction form
    11,884.02/16,399.91 = 6,433.08/x
  3. Step 3: Cross multiply
    11,884.02x = 16,399.91 × 6,433.08
  4. Step 4: Simplify right side
    11,884.02x = 105,501,900.86
  5. Step 5: Solve for x
    x = 105,501,900.86/11,884.02
  6. Step 6: Final answer
    x = 8,877.63

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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.