Home / 9,122.35-13,683.61-2,882.40

Finding the Fourth Proportional to 9,122.35, 13,683.61 and 2,882.40

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Solution

The fourth proportional to 9,122.35, 13,683.61 and 2,882.40 is: 4,323.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.35 : 13,683.61 = 2,882.40 : x
  2. Step 2: Convert to fraction form
    9,122.35/13,683.61 = 2,882.40/x
  3. Step 3: Cross multiply
    9,122.35x = 13,683.61 × 2,882.40
  4. Step 4: Simplify right side
    9,122.35x = 39,441,619.13
  5. Step 5: Solve for x
    x = 39,441,619.13/9,122.35
  6. Step 6: Final answer
    x = 4,323.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.