Home / 12,512.19-17,266.20-6,847.05

Finding the Fourth Proportional to 12,512.19, 17,266.20 and 6,847.05

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Solution

The fourth proportional to 12,512.19, 17,266.20 and 6,847.05 is: 9,448.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,512.19 : 17,266.20 = 6,847.05 : x
  2. Step 2: Convert to fraction form
    12,512.19/17,266.20 = 6,847.05/x
  3. Step 3: Cross multiply
    12,512.19x = 17,266.20 × 6,847.05
  4. Step 4: Simplify right side
    12,512.19x = 118,222,534.71
  5. Step 5: Solve for x
    x = 118,222,534.71/12,512.19
  6. Step 6: Final answer
    x = 9,448.59

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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.