Home / 11,807.25-16,292.59-6,771.21

Finding the Fourth Proportional to 11,807.25, 16,292.59 and 6,771.21

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Solution

The fourth proportional to 11,807.25, 16,292.59 and 6,771.21 is: 9,343.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807.25 : 16,292.59 = 6,771.21 : x
  2. Step 2: Convert to fraction form
    11,807.25/16,292.59 = 6,771.21/x
  3. Step 3: Cross multiply
    11,807.25x = 16,292.59 × 6,771.21
  4. Step 4: Simplify right side
    11,807.25x = 110,320,531.41
  5. Step 5: Solve for x
    x = 110,320,531.41/11,807.25
  6. Step 6: Final answer
    x = 9,343.46

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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.