Home / 12,568.18-18,852.78-4,672.78

Finding the Fourth Proportional to 12,568.18, 18,852.78 and 4,672.78

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Solution

The fourth proportional to 12,568.18, 18,852.78 and 4,672.78 is: 7,009.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,568.18 : 18,852.78 = 4,672.78 : x
  2. Step 2: Convert to fraction form
    12,568.18/18,852.78 = 4,672.78/x
  3. Step 3: Cross multiply
    12,568.18x = 18,852.78 × 4,672.78
  4. Step 4: Simplify right side
    12,568.18x = 88,094,893.33
  5. Step 5: Solve for x
    x = 88,094,893.33/12,568.18
  6. Step 6: Final answer
    x = 7,009.36

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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.