Home / 12,877.16-19,328.22-6,218.36

Finding the Fourth Proportional to 12,877.16, 19,328.22 and 6,218.36

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Solution

The fourth proportional to 12,877.16, 19,328.22 and 6,218.36 is: 9,333.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877.16 : 19,328.22 = 6,218.36 : x
  2. Step 2: Convert to fraction form
    12,877.16/19,328.22 = 6,218.36/x
  3. Step 3: Cross multiply
    12,877.16x = 19,328.22 × 6,218.36
  4. Step 4: Simplify right side
    12,877.16x = 120,189,733.48
  5. Step 5: Solve for x
    x = 120,189,733.48/12,877.16
  6. Step 6: Final answer
    x = 9,333.56

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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.