Home / 13,284.94-18,333.22-7,316.60

Finding the Fourth Proportional to 13,284.94, 18,333.22 and 7,316.60

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Solution

The fourth proportional to 13,284.94, 18,333.22 and 7,316.60 is: 10,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.94 : 18,333.22 = 7,316.60 : x
  2. Step 2: Convert to fraction form
    13,284.94/18,333.22 = 7,316.60/x
  3. Step 3: Cross multiply
    13,284.94x = 18,333.22 × 7,316.60
  4. Step 4: Simplify right side
    13,284.94x = 134,136,727.49
  5. Step 5: Solve for x
    x = 134,136,727.49/13,284.94
  6. Step 6: Final answer
    x = 10,096.90

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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.