Home / 10,858.14-14,984.96-6,078.50

Finding the Fourth Proportional to 10,858.14, 14,984.96 and 6,078.50

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Solution

The fourth proportional to 10,858.14, 14,984.96 and 6,078.50 is: 8,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.14 : 14,984.96 = 6,078.50 : x
  2. Step 2: Convert to fraction form
    10,858.14/14,984.96 = 6,078.50/x
  3. Step 3: Cross multiply
    10,858.14x = 14,984.96 × 6,078.50
  4. Step 4: Simplify right side
    10,858.14x = 91,086,079.36
  5. Step 5: Solve for x
    x = 91,086,079.36/10,858.14
  6. Step 6: Final answer
    x = 8,388.74

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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.