Home / 11,980.41-16,532.74-6,675.11

Finding the Fourth Proportional to 11,980.41, 16,532.74 and 6,675.11

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Solution

The fourth proportional to 11,980.41, 16,532.74 and 6,675.11 is: 9,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.41 : 16,532.74 = 6,675.11 : x
  2. Step 2: Convert to fraction form
    11,980.41/16,532.74 = 6,675.11/x
  3. Step 3: Cross multiply
    11,980.41x = 16,532.74 × 6,675.11
  4. Step 4: Simplify right side
    11,980.41x = 110,357,845.78
  5. Step 5: Solve for x
    x = 110,357,845.78/11,980.41
  6. Step 6: Final answer
    x = 9,211.53

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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.