Home / 10,857.87-14,984.59-6,078.24

Finding the Fourth Proportional to 10,857.87, 14,984.59 and 6,078.24

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Solution

The fourth proportional to 10,857.87, 14,984.59 and 6,078.24 is: 8,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.87 : 14,984.59 = 6,078.24 : x
  2. Step 2: Convert to fraction form
    10,857.87/14,984.59 = 6,078.24/x
  3. Step 3: Cross multiply
    10,857.87x = 14,984.59 × 6,078.24
  4. Step 4: Simplify right side
    10,857.87x = 91,079,866.47
  5. Step 5: Solve for x
    x = 91,079,866.47/10,857.87
  6. Step 6: Final answer
    x = 8,388.37

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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.