Home / 12,886.52-19,327.34-4,566.20

Finding the Fourth Proportional to 12,886.52, 19,327.34 and 4,566.20

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Solution

The fourth proportional to 12,886.52, 19,327.34 and 4,566.20 is: 6,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886.52 : 19,327.34 = 4,566.20 : x
  2. Step 2: Convert to fraction form
    12,886.52/19,327.34 = 4,566.20/x
  3. Step 3: Cross multiply
    12,886.52x = 19,327.34 × 4,566.20
  4. Step 4: Simplify right side
    12,886.52x = 88,252,414.69
  5. Step 5: Solve for x
    x = 88,252,414.69/12,886.52
  6. Step 6: Final answer
    x = 6,848.43

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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.