Home / 9,913.84-13,680.66-5,932.56

Finding the Fourth Proportional to 9,913.84, 13,680.66 and 5,932.56

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Solution

The fourth proportional to 9,913.84, 13,680.66 and 5,932.56 is: 8,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.84 : 13,680.66 = 5,932.56 : x
  2. Step 2: Convert to fraction form
    9,913.84/13,680.66 = 5,932.56/x
  3. Step 3: Cross multiply
    9,913.84x = 13,680.66 × 5,932.56
  4. Step 4: Simplify right side
    9,913.84x = 81,161,336.29
  5. Step 5: Solve for x
    x = 81,161,336.29/9,913.84
  6. Step 6: Final answer
    x = 8,186.67

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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.