Home / 9,161.56-12,643.02-4,969.84

Finding the Fourth Proportional to 9,161.56, 12,643.02 and 4,969.84

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Solution

The fourth proportional to 9,161.56, 12,643.02 and 4,969.84 is: 6,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,161.56 : 12,643.02 = 4,969.84 : x
  2. Step 2: Convert to fraction form
    9,161.56/12,643.02 = 4,969.84/x
  3. Step 3: Cross multiply
    9,161.56x = 12,643.02 × 4,969.84
  4. Step 4: Simplify right side
    9,161.56x = 62,833,786.52
  5. Step 5: Solve for x
    x = 62,833,786.52/9,161.56
  6. Step 6: Final answer
    x = 6,858.42

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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.