Home / 10,486.07-15,726.02-3,090.37

Finding the Fourth Proportional to 10,486.07, 15,726.02 and 3,090.37

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Solution

The fourth proportional to 10,486.07, 15,726.02 and 3,090.37 is: 4,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.07 : 15,726.02 = 3,090.37 : x
  2. Step 2: Convert to fraction form
    10,486.07/15,726.02 = 3,090.37/x
  3. Step 3: Cross multiply
    10,486.07x = 15,726.02 × 3,090.37
  4. Step 4: Simplify right side
    10,486.07x = 48,599,126.35
  5. Step 5: Solve for x
    x = 48,599,126.35/10,486.07
  6. Step 6: Final answer
    x = 4,634.64

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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.