Home / 11,980.76-16,531.26-6,675.44

Finding the Fourth Proportional to 11,980.76, 16,531.26 and 6,675.44

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Solution

The fourth proportional to 11,980.76, 16,531.26 and 6,675.44 is: 9,210.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.76 : 16,531.26 = 6,675.44 : x
  2. Step 2: Convert to fraction form
    11,980.76/16,531.26 = 6,675.44/x
  3. Step 3: Cross multiply
    11,980.76x = 16,531.26 × 6,675.44
  4. Step 4: Simplify right side
    11,980.76x = 110,353,434.25
  5. Step 5: Solve for x
    x = 110,353,434.25/11,980.76
  6. Step 6: Final answer
    x = 9,210.89

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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.