Home / 12,784.06-19,148.39-6,196.46

Finding the Fourth Proportional to 12,784.06, 19,148.39 and 6,196.46

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Solution

The fourth proportional to 12,784.06, 19,148.39 and 6,196.46 is: 9,281.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,784.06 : 19,148.39 = 6,196.46 : x
  2. Step 2: Convert to fraction form
    12,784.06/19,148.39 = 6,196.46/x
  3. Step 3: Cross multiply
    12,784.06x = 19,148.39 × 6,196.46
  4. Step 4: Simplify right side
    12,784.06x = 118,652,201.72
  5. Step 5: Solve for x
    x = 118,652,201.72/12,784.06
  6. Step 6: Final answer
    x = 9,281.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.