Home / 11,114.63-15,313.57-7,331.12

Finding the Fourth Proportional to 11,114.63, 15,313.57 and 7,331.12

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Solution

The fourth proportional to 11,114.63, 15,313.57 and 7,331.12 is: 10,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.63 : 15,313.57 = 7,331.12 : x
  2. Step 2: Convert to fraction form
    11,114.63/15,313.57 = 7,331.12/x
  3. Step 3: Cross multiply
    11,114.63x = 15,313.57 × 7,331.12
  4. Step 4: Simplify right side
    11,114.63x = 112,265,619.30
  5. Step 5: Solve for x
    x = 112,265,619.30/11,114.63
  6. Step 6: Final answer
    x = 10,100.71

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Double scale
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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.