Home / 12,088.42-18,115.35-6,883.54

Finding the Fourth Proportional to 12,088.42, 18,115.35 and 6,883.54

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Solution

The fourth proportional to 12,088.42, 18,115.35 and 6,883.54 is: 10,315.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.42 : 18,115.35 = 6,883.54 : x
  2. Step 2: Convert to fraction form
    12,088.42/18,115.35 = 6,883.54/x
  3. Step 3: Cross multiply
    12,088.42x = 18,115.35 × 6,883.54
  4. Step 4: Simplify right side
    12,088.42x = 124,697,736.34
  5. Step 5: Solve for x
    x = 124,697,736.34/12,088.42
  6. Step 6: Final answer
    x = 10,315.47

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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.