Home / 8,058.46-11,120.40-4,521.72

Finding the Fourth Proportional to 8,058.46, 11,120.40 and 4,521.72

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Solution

The fourth proportional to 8,058.46, 11,120.40 and 4,521.72 is: 6,239.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.46 : 11,120.40 = 4,521.72 : x
  2. Step 2: Convert to fraction form
    8,058.46/11,120.40 = 4,521.72/x
  3. Step 3: Cross multiply
    8,058.46x = 11,120.40 × 4,521.72
  4. Step 4: Simplify right side
    8,058.46x = 50,283,335.09
  5. Step 5: Solve for x
    x = 50,283,335.09/8,058.46
  6. Step 6: Final answer
    x = 6,239.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.