Home / 9,868.34-13,611.94-5,886.38

Finding the Fourth Proportional to 9,868.34, 13,611.94 and 5,886.38

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Solution

The fourth proportional to 9,868.34, 13,611.94 and 5,886.38 is: 8,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868.34 : 13,611.94 = 5,886.38 : x
  2. Step 2: Convert to fraction form
    9,868.34/13,611.94 = 5,886.38/x
  3. Step 3: Cross multiply
    9,868.34x = 13,611.94 × 5,886.38
  4. Step 4: Simplify right side
    9,868.34x = 80,124,968.60
  5. Step 5: Solve for x
    x = 80,124,968.60/9,868.34
  6. Step 6: Final answer
    x = 8,119.40

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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.