Home / 7,072.80-10,617.30-4,302.60

Finding the Fourth Proportional to 7,072.80, 10,617.30 and 4,302.60

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Solution

The fourth proportional to 7,072.80, 10,617.30 and 4,302.60 is: 6,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.80 : 10,617.30 = 4,302.60 : x
  2. Step 2: Convert to fraction form
    7,072.80/10,617.30 = 4,302.60/x
  3. Step 3: Cross multiply
    7,072.80x = 10,617.30 × 4,302.60
  4. Step 4: Simplify right side
    7,072.80x = 45,681,994.98
  5. Step 5: Solve for x
    x = 45,681,994.98/7,072.80
  6. Step 6: Final answer
    x = 6,458.83

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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.