Home / 7,008.45-10,511.87-2,077.58

Finding the Fourth Proportional to 7,008.45, 10,511.87 and 2,077.58

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Solution

The fourth proportional to 7,008.45, 10,511.87 and 2,077.58 is: 3,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.45 : 10,511.87 = 2,077.58 : x
  2. Step 2: Convert to fraction form
    7,008.45/10,511.87 = 2,077.58/x
  3. Step 3: Cross multiply
    7,008.45x = 10,511.87 × 2,077.58
  4. Step 4: Simplify right side
    7,008.45x = 21,839,187.93
  5. Step 5: Solve for x
    x = 21,839,187.93/7,008.45
  6. Step 6: Final answer
    x = 3,116.12

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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.