Home / 11,980.68-16,532.90-6,675.22

Finding the Fourth Proportional to 11,980.68, 16,532.90 and 6,675.22

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Solution

The fourth proportional to 11,980.68, 16,532.90 and 6,675.22 is: 9,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.68 : 16,532.90 = 6,675.22 : x
  2. Step 2: Convert to fraction form
    11,980.68/16,532.90 = 6,675.22/x
  3. Step 3: Cross multiply
    11,980.68x = 16,532.90 × 6,675.22
  4. Step 4: Simplify right side
    11,980.68x = 110,360,744.74
  5. Step 5: Solve for x
    x = 110,360,744.74/11,980.68
  6. Step 6: Final answer
    x = 9,211.56

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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.