Home / 7,212.69-10,820.66-2,282.63

Finding the Fourth Proportional to 7,212.69, 10,820.66 and 2,282.63

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Solution

The fourth proportional to 7,212.69, 10,820.66 and 2,282.63 is: 3,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.69 : 10,820.66 = 2,282.63 : x
  2. Step 2: Convert to fraction form
    7,212.69/10,820.66 = 2,282.63/x
  3. Step 3: Cross multiply
    7,212.69x = 10,820.66 × 2,282.63
  4. Step 4: Simplify right side
    7,212.69x = 24,699,536.08
  5. Step 5: Solve for x
    x = 24,699,536.08/7,212.69
  6. Step 6: Final answer
    x = 3,424.45

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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.