Home / 11,935.02-16,470.09-6,629.66

Finding the Fourth Proportional to 11,935.02, 16,470.09 and 6,629.66

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Solution

The fourth proportional to 11,935.02, 16,470.09 and 6,629.66 is: 9,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.02 : 16,470.09 = 6,629.66 : x
  2. Step 2: Convert to fraction form
    11,935.02/16,470.09 = 6,629.66/x
  3. Step 3: Cross multiply
    11,935.02x = 16,470.09 × 6,629.66
  4. Step 4: Simplify right side
    11,935.02x = 109,191,096.87
  5. Step 5: Solve for x
    x = 109,191,096.87/11,935.02
  6. Step 6: Final answer
    x = 9,148.80

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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.