Home / 10,643.06-14,687.26-5,862.90

Finding the Fourth Proportional to 10,643.06, 14,687.26 and 5,862.90

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Solution

The fourth proportional to 10,643.06, 14,687.26 and 5,862.90 is: 8,090.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.06 : 14,687.26 = 5,862.90 : x
  2. Step 2: Convert to fraction form
    10,643.06/14,687.26 = 5,862.90/x
  3. Step 3: Cross multiply
    10,643.06x = 14,687.26 × 5,862.90
  4. Step 4: Simplify right side
    10,643.06x = 86,109,936.65
  5. Step 5: Solve for x
    x = 86,109,936.65/10,643.06
  6. Step 6: Final answer
    x = 8,090.71

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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.