Home / 9,292.13-13,938.21-3,136.13

Finding the Fourth Proportional to 9,292.13, 13,938.21 and 3,136.13

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Solution

The fourth proportional to 9,292.13, 13,938.21 and 3,136.13 is: 4,704.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292.13 : 13,938.21 = 3,136.13 : x
  2. Step 2: Convert to fraction form
    9,292.13/13,938.21 = 3,136.13/x
  3. Step 3: Cross multiply
    9,292.13x = 13,938.21 × 3,136.13
  4. Step 4: Simplify right side
    9,292.13x = 43,711,968.84
  5. Step 5: Solve for x
    x = 43,711,968.84/9,292.13
  6. Step 6: Final answer
    x = 4,704.20

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Similar ratio
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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.