Home / 7,346.42-11,019.72-2,152.40

Finding the Fourth Proportional to 7,346.42, 11,019.72 and 2,152.40

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Solution

The fourth proportional to 7,346.42, 11,019.72 and 2,152.40 is: 3,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.42 : 11,019.72 = 2,152.40 : x
  2. Step 2: Convert to fraction form
    7,346.42/11,019.72 = 2,152.40/x
  3. Step 3: Cross multiply
    7,346.42x = 11,019.72 × 2,152.40
  4. Step 4: Simplify right side
    7,346.42x = 23,718,845.33
  5. Step 5: Solve for x
    x = 23,718,845.33/7,346.42
  6. Step 6: Final answer
    x = 3,228.63

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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.