Home / 12,017.39-16,583.90-6,984.56

Finding the Fourth Proportional to 12,017.39, 16,583.90 and 6,984.56

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Solution

The fourth proportional to 12,017.39, 16,583.90 and 6,984.56 is: 9,638.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.39 : 16,583.90 = 6,984.56 : x
  2. Step 2: Convert to fraction form
    12,017.39/16,583.90 = 6,984.56/x
  3. Step 3: Cross multiply
    12,017.39x = 16,583.90 × 6,984.56
  4. Step 4: Simplify right side
    12,017.39x = 115,831,161.66
  5. Step 5: Solve for x
    x = 115,831,161.66/12,017.39
  6. Step 6: Final answer
    x = 9,638.63

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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.