Home / 12,112.53-16,715.19-6,807.33

Finding the Fourth Proportional to 12,112.53, 16,715.19 and 6,807.33

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Solution

The fourth proportional to 12,112.53, 16,715.19 and 6,807.33 is: 9,394.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,112.53 : 16,715.19 = 6,807.33 : x
  2. Step 2: Convert to fraction form
    12,112.53/16,715.19 = 6,807.33/x
  3. Step 3: Cross multiply
    12,112.53x = 16,715.19 × 6,807.33
  4. Step 4: Simplify right side
    12,112.53x = 113,785,814.34
  5. Step 5: Solve for x
    x = 113,785,814.34/12,112.53
  6. Step 6: Final answer
    x = 9,394.06

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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.