Home / 7,438.50-11,162.08-3,334.50

Finding the Fourth Proportional to 7,438.50, 11,162.08 and 3,334.50

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Solution

The fourth proportional to 7,438.50, 11,162.08 and 3,334.50 is: 5,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.50 : 11,162.08 = 3,334.50 : x
  2. Step 2: Convert to fraction form
    7,438.50/11,162.08 = 3,334.50/x
  3. Step 3: Cross multiply
    7,438.50x = 11,162.08 × 3,334.50
  4. Step 4: Simplify right side
    7,438.50x = 37,219,955.76
  5. Step 5: Solve for x
    x = 37,219,955.76/7,438.50
  6. Step 6: Final answer
    x = 5,003.69

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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.