Home / 12,448.26-17,178.60-6,783.06

Finding the Fourth Proportional to 12,448.26, 17,178.60 and 6,783.06

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Solution

The fourth proportional to 12,448.26, 17,178.60 and 6,783.06 is: 9,360.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.26 : 17,178.60 = 6,783.06 : x
  2. Step 2: Convert to fraction form
    12,448.26/17,178.60 = 6,783.06/x
  3. Step 3: Cross multiply
    12,448.26x = 17,178.60 × 6,783.06
  4. Step 4: Simplify right side
    12,448.26x = 116,523,474.52
  5. Step 5: Solve for x
    x = 116,523,474.52/12,448.26
  6. Step 6: Final answer
    x = 9,360.62

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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.