Home / 7,360.42-11,040.72-2,166.40

Finding the Fourth Proportional to 7,360.42, 11,040.72 and 2,166.40

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Solution

The fourth proportional to 7,360.42, 11,040.72 and 2,166.40 is: 3,249.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.42 : 11,040.72 = 2,166.40 : x
  2. Step 2: Convert to fraction form
    7,360.42/11,040.72 = 2,166.40/x
  3. Step 3: Cross multiply
    7,360.42x = 11,040.72 × 2,166.40
  4. Step 4: Simplify right side
    7,360.42x = 23,918,615.81
  5. Step 5: Solve for x
    x = 23,918,615.81/7,360.42
  6. Step 6: Final answer
    x = 3,249.63

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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.