Home / 12,090.06-16,683.84-6,712.74

Finding the Fourth Proportional to 12,090.06, 16,683.84 and 6,712.74

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Solution

The fourth proportional to 12,090.06, 16,683.84 and 6,712.74 is: 9,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090.06 : 16,683.84 = 6,712.74 : x
  2. Step 2: Convert to fraction form
    12,090.06/16,683.84 = 6,712.74/x
  3. Step 3: Cross multiply
    12,090.06x = 16,683.84 × 6,712.74
  4. Step 4: Simplify right side
    12,090.06x = 111,994,280.12
  5. Step 5: Solve for x
    x = 111,994,280.12/12,090.06
  6. Step 6: Final answer
    x = 9,263.34

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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.