Home / 11,836.41-17,756.78-9,188.25

Finding the Fourth Proportional to 11,836.41, 17,756.78 and 9,188.25

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Solution

The fourth proportional to 11,836.41, 17,756.78 and 9,188.25 is: 13,784.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.41 : 17,756.78 = 9,188.25 : x
  2. Step 2: Convert to fraction form
    11,836.41/17,756.78 = 9,188.25/x
  3. Step 3: Cross multiply
    11,836.41x = 17,756.78 × 9,188.25
  4. Step 4: Simplify right side
    11,836.41x = 163,153,687.89
  5. Step 5: Solve for x
    x = 163,153,687.89/11,836.41
  6. Step 6: Final answer
    x = 13,784.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.