Home / 10,039.09-13,855.62-6,807.46

Finding the Fourth Proportional to 10,039.09, 13,855.62 and 6,807.46

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Solution

The fourth proportional to 10,039.09, 13,855.62 and 6,807.46 is: 9,395.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.09 : 13,855.62 = 6,807.46 : x
  2. Step 2: Convert to fraction form
    10,039.09/13,855.62 = 6,807.46/x
  3. Step 3: Cross multiply
    10,039.09x = 13,855.62 × 6,807.46
  4. Step 4: Simplify right side
    10,039.09x = 94,321,578.93
  5. Step 5: Solve for x
    x = 94,321,578.93/10,039.09
  6. Step 6: Final answer
    x = 9,395.43

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1.5x scale

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.