Home / 10,968.80-16,453.20-4,042.40

Finding the Fourth Proportional to 10,968.80, 16,453.20 and 4,042.40

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Solution

The fourth proportional to 10,968.80, 16,453.20 and 4,042.40 is: 6,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,968.80 : 16,453.20 = 4,042.40 : x
  2. Step 2: Convert to fraction form
    10,968.80/16,453.20 = 4,042.40/x
  3. Step 3: Cross multiply
    10,968.80x = 16,453.20 × 4,042.40
  4. Step 4: Simplify right side
    10,968.80x = 66,510,415.68
  5. Step 5: Solve for x
    x = 66,510,415.68/10,968.80
  6. Step 6: Final answer
    x = 6,063.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.