Home / 9,653.16-13,329.54-6,122.64

Finding the Fourth Proportional to 9,653.16, 13,329.54 and 6,122.64

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Solution

The fourth proportional to 9,653.16, 13,329.54 and 6,122.64 is: 8,454.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,653.16 : 13,329.54 = 6,122.64 : x
  2. Step 2: Convert to fraction form
    9,653.16/13,329.54 = 6,122.64/x
  3. Step 3: Cross multiply
    9,653.16x = 13,329.54 × 6,122.64
  4. Step 4: Simplify right side
    9,653.16x = 81,611,974.79
  5. Step 5: Solve for x
    x = 81,611,974.79/9,653.16
  6. Step 6: Final answer
    x = 8,454.43

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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.