Home / 7,481.23-10,330.74-4,653.45

Finding the Fourth Proportional to 7,481.23, 10,330.74 and 4,653.45

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Solution

The fourth proportional to 7,481.23, 10,330.74 and 4,653.45 is: 6,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.23 : 10,330.74 = 4,653.45 : x
  2. Step 2: Convert to fraction form
    7,481.23/10,330.74 = 4,653.45/x
  3. Step 3: Cross multiply
    7,481.23x = 10,330.74 × 4,653.45
  4. Step 4: Simplify right side
    7,481.23x = 48,073,582.05
  5. Step 5: Solve for x
    x = 48,073,582.05/7,481.23
  6. Step 6: Final answer
    x = 6,425.89

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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.