Home / 9,211.42-12,711.35-5,232.47

Finding the Fourth Proportional to 9,211.42, 12,711.35 and 5,232.47

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Solution

The fourth proportional to 9,211.42, 12,711.35 and 5,232.47 is: 7,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,211.42 : 12,711.35 = 5,232.47 : x
  2. Step 2: Convert to fraction form
    9,211.42/12,711.35 = 5,232.47/x
  3. Step 3: Cross multiply
    9,211.42x = 12,711.35 × 5,232.47
  4. Step 4: Simplify right side
    9,211.42x = 66,511,731.37
  5. Step 5: Solve for x
    x = 66,511,731.37/9,211.42
  6. Step 6: Final answer
    x = 7,220.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.