Home / 10,371.94-15,533.07-9,126.70

Finding the Fourth Proportional to 10,371.94, 15,533.07 and 9,126.70

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Solution

The fourth proportional to 10,371.94, 15,533.07 and 9,126.70 is: 13,668.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371.94 : 15,533.07 = 9,126.70 : x
  2. Step 2: Convert to fraction form
    10,371.94/15,533.07 = 9,126.70/x
  3. Step 3: Cross multiply
    10,371.94x = 15,533.07 × 9,126.70
  4. Step 4: Simplify right side
    10,371.94x = 141,765,669.97
  5. Step 5: Solve for x
    x = 141,765,669.97/10,371.94
  6. Step 6: Final answer
    x = 13,668.19

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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.