Home / 10,110.75-15,166.16-3,090.74

Finding the Fourth Proportional to 10,110.75, 15,166.16 and 3,090.74

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Solution

The fourth proportional to 10,110.75, 15,166.16 and 3,090.74 is: 4,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.75 : 15,166.16 = 3,090.74 : x
  2. Step 2: Convert to fraction form
    10,110.75/15,166.16 = 3,090.74/x
  3. Step 3: Cross multiply
    10,110.75x = 15,166.16 × 3,090.74
  4. Step 4: Simplify right side
    10,110.75x = 46,874,583.46
  5. Step 5: Solve for x
    x = 46,874,583.46/10,110.75
  6. Step 6: Final answer
    x = 4,636.11

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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.