Home / 11,935.22-16,470.56-6,629.98

Finding the Fourth Proportional to 11,935.22, 16,470.56 and 6,629.98

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Solution

The fourth proportional to 11,935.22, 16,470.56 and 6,629.98 is: 9,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.22 : 16,470.56 = 6,629.98 : x
  2. Step 2: Convert to fraction form
    11,935.22/16,470.56 = 6,629.98/x
  3. Step 3: Cross multiply
    11,935.22x = 16,470.56 × 6,629.98
  4. Step 4: Simplify right side
    11,935.22x = 109,199,483.39
  5. Step 5: Solve for x
    x = 109,199,483.39/11,935.22
  6. Step 6: Final answer
    x = 9,149.35

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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.