Home / 11,615.79-16,028.96-6,902.67

Finding the Fourth Proportional to 11,615.79, 16,028.96 and 6,902.67

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Solution

The fourth proportional to 11,615.79, 16,028.96 and 6,902.67 is: 9,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,615.79 : 16,028.96 = 6,902.67 : x
  2. Step 2: Convert to fraction form
    11,615.79/16,028.96 = 6,902.67/x
  3. Step 3: Cross multiply
    11,615.79x = 16,028.96 × 6,902.67
  4. Step 4: Simplify right side
    11,615.79x = 110,642,586.81
  5. Step 5: Solve for x
    x = 110,642,586.81/11,615.79
  6. Step 6: Final answer
    x = 9,525.19

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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.