Home / 11,980.50-16,532.40-6,675.13

Finding the Fourth Proportional to 11,980.50, 16,532.40 and 6,675.13

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Solution

The fourth proportional to 11,980.50, 16,532.40 and 6,675.13 is: 9,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,980.50 : 16,532.40 = 6,675.13 : x
  2. Step 2: Convert to fraction form
    11,980.50/16,532.40 = 6,675.13/x
  3. Step 3: Cross multiply
    11,980.50x = 16,532.40 × 6,675.13
  4. Step 4: Simplify right side
    11,980.50x = 110,355,919.21
  5. Step 5: Solve for x
    x = 110,355,919.21/11,980.50
  6. Step 6: Final answer
    x = 9,211.29

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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.