Home / 9,334.68-12,900.20-7,653.36

Finding the Fourth Proportional to 9,334.68, 12,900.20 and 7,653.36

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Solution

The fourth proportional to 9,334.68, 12,900.20 and 7,653.36 is: 10,576.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.68 : 12,900.20 = 7,653.36 : x
  2. Step 2: Convert to fraction form
    9,334.68/12,900.20 = 7,653.36/x
  3. Step 3: Cross multiply
    9,334.68x = 12,900.20 × 7,653.36
  4. Step 4: Simplify right side
    9,334.68x = 98,729,874.67
  5. Step 5: Solve for x
    x = 98,729,874.67/9,334.68
  6. Step 6: Final answer
    x = 10,576.67

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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.