Home / 10,865.79-14,991.29-6,085.02

Finding the Fourth Proportional to 10,865.79, 14,991.29 and 6,085.02

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Solution

The fourth proportional to 10,865.79, 14,991.29 and 6,085.02 is: 8,395.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.79 : 14,991.29 = 6,085.02 : x
  2. Step 2: Convert to fraction form
    10,865.79/14,991.29 = 6,085.02/x
  3. Step 3: Cross multiply
    10,865.79x = 14,991.29 × 6,085.02
  4. Step 4: Simplify right side
    10,865.79x = 91,222,269.05
  5. Step 5: Solve for x
    x = 91,222,269.05/10,865.79
  6. Step 6: Final answer
    x = 8,395.36

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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.