Home / 11,980.77-16,532.47-6,675.06

Finding the Fourth Proportional to 11,980.77, 16,532.47 and 6,675.06

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Solution

The fourth proportional to 11,980.77, 16,532.47 and 6,675.06 is: 9,211.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.77 : 16,532.47 = 6,675.06 : x
  2. Step 2: Convert to fraction form
    11,980.77/16,532.47 = 6,675.06/x
  3. Step 3: Cross multiply
    11,980.77x = 16,532.47 × 6,675.06
  4. Step 4: Simplify right side
    11,980.77x = 110,355,229.20
  5. Step 5: Solve for x
    x = 110,355,229.20/11,980.77
  6. Step 6: Final answer
    x = 9,211.03

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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.