Home / 12,682.60-17,483.36-8,894.28

Finding the Fourth Proportional to 12,682.60, 17,483.36 and 8,894.28

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Solution

The fourth proportional to 12,682.60, 17,483.36 and 8,894.28 is: 12,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.60 : 17,483.36 = 8,894.28 : x
  2. Step 2: Convert to fraction form
    12,682.60/17,483.36 = 8,894.28/x
  3. Step 3: Cross multiply
    12,682.60x = 17,483.36 × 8,894.28
  4. Step 4: Simplify right side
    12,682.60x = 155,501,899.18
  5. Step 5: Solve for x
    x = 155,501,899.18/12,682.60
  6. Step 6: Final answer
    x = 12,261.04

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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.