Home / 11,526.42-15,906.61-6,749.34

Finding the Fourth Proportional to 11,526.42, 15,906.61 and 6,749.34

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Solution

The fourth proportional to 11,526.42, 15,906.61 and 6,749.34 is: 9,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,526.42 : 15,906.61 = 6,749.34 : x
  2. Step 2: Convert to fraction form
    11,526.42/15,906.61 = 6,749.34/x
  3. Step 3: Cross multiply
    11,526.42x = 15,906.61 × 6,749.34
  4. Step 4: Simplify right side
    11,526.42x = 107,359,119.14
  5. Step 5: Solve for x
    x = 107,359,119.14/11,526.42
  6. Step 6: Final answer
    x = 9,314.18

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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.