Home / 7,536.16-11,304.06-1,989.89

Finding the Fourth Proportional to 7,536.16, 11,304.06 and 1,989.89

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Solution

The fourth proportional to 7,536.16, 11,304.06 and 1,989.89 is: 2,984.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.16 : 11,304.06 = 1,989.89 : x
  2. Step 2: Convert to fraction form
    7,536.16/11,304.06 = 1,989.89/x
  3. Step 3: Cross multiply
    7,536.16x = 11,304.06 × 1,989.89
  4. Step 4: Simplify right side
    7,536.16x = 22,493,825.55
  5. Step 5: Solve for x
    x = 22,493,825.55/7,536.16
  6. Step 6: Final answer
    x = 2,984.79

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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.