Home / 10,884.94-15,021.48-6,636.22

Finding the Fourth Proportional to 10,884.94, 15,021.48 and 6,636.22

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Solution

The fourth proportional to 10,884.94, 15,021.48 and 6,636.22 is: 9,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.94 : 15,021.48 = 6,636.22 : x
  2. Step 2: Convert to fraction form
    10,884.94/15,021.48 = 6,636.22/x
  3. Step 3: Cross multiply
    10,884.94x = 15,021.48 × 6,636.22
  4. Step 4: Simplify right side
    10,884.94x = 99,685,846.01
  5. Step 5: Solve for x
    x = 99,685,846.01/10,884.94
  6. Step 6: Final answer
    x = 9,158.14

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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.