Home / 10,110.09-15,129.26-6,160.16

Finding the Fourth Proportional to 10,110.09, 15,129.26 and 6,160.16

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Solution

The fourth proportional to 10,110.09, 15,129.26 and 6,160.16 is: 9,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.09 : 15,129.26 = 6,160.16 : x
  2. Step 2: Convert to fraction form
    10,110.09/15,129.26 = 6,160.16/x
  3. Step 3: Cross multiply
    10,110.09x = 15,129.26 × 6,160.16
  4. Step 4: Simplify right side
    10,110.09x = 93,198,696.35
  5. Step 5: Solve for x
    x = 93,198,696.35/10,110.09
  6. Step 6: Final answer
    x = 9,218.38

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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.