Home / 9,622.29-13,277.88-5,642.67

Finding the Fourth Proportional to 9,622.29, 13,277.88 and 5,642.67

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Solution

The fourth proportional to 9,622.29, 13,277.88 and 5,642.67 is: 7,786.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,622.29 : 13,277.88 = 5,642.67 : x
  2. Step 2: Convert to fraction form
    9,622.29/13,277.88 = 5,642.67/x
  3. Step 3: Cross multiply
    9,622.29x = 13,277.88 × 5,642.67
  4. Step 4: Simplify right side
    9,622.29x = 74,922,695.14
  5. Step 5: Solve for x
    x = 74,922,695.14/9,622.29
  6. Step 6: Final answer
    x = 7,786.37

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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.