Home / 9,822.07-13,538.72-6,634.36

Finding the Fourth Proportional to 9,822.07, 13,538.72 and 6,634.36

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Solution

The fourth proportional to 9,822.07, 13,538.72 and 6,634.36 is: 9,144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,822.07 : 13,538.72 = 6,634.36 : x
  2. Step 2: Convert to fraction form
    9,822.07/13,538.72 = 6,634.36/x
  3. Step 3: Cross multiply
    9,822.07x = 13,538.72 × 6,634.36
  4. Step 4: Simplify right side
    9,822.07x = 89,820,742.42
  5. Step 5: Solve for x
    x = 89,820,742.42/9,822.07
  6. Step 6: Final answer
    x = 9,144.79

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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.