Home / 12,110.56-16,711.52-6,804.64

Finding the Fourth Proportional to 12,110.56, 16,711.52 and 6,804.64

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Solution

The fourth proportional to 12,110.56, 16,711.52 and 6,804.64 is: 9,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110.56 : 16,711.52 = 6,804.64 : x
  2. Step 2: Convert to fraction form
    12,110.56/16,711.52 = 6,804.64/x
  3. Step 3: Cross multiply
    12,110.56x = 16,711.52 × 6,804.64
  4. Step 4: Simplify right side
    12,110.56x = 113,715,877.45
  5. Step 5: Solve for x
    x = 113,715,877.45/12,110.56
  6. Step 6: Final answer
    x = 9,389.81

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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.