Home / 12,277.34-18,416.44-3,393.32

Finding the Fourth Proportional to 12,277.34, 18,416.44 and 3,393.32

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Solution

The fourth proportional to 12,277.34, 18,416.44 and 3,393.32 is: 5,090.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.34 : 18,416.44 = 3,393.32 : x
  2. Step 2: Convert to fraction form
    12,277.34/18,416.44 = 3,393.32/x
  3. Step 3: Cross multiply
    12,277.34x = 18,416.44 × 3,393.32
  4. Step 4: Simplify right side
    12,277.34x = 62,492,874.18
  5. Step 5: Solve for x
    x = 62,492,874.18/12,277.34
  6. Step 6: Final answer
    x = 5,090.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.