Home / 8,058.12-12,085.08-5,424.13

Finding the Fourth Proportional to 8,058.12, 12,085.08 and 5,424.13

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Solution

The fourth proportional to 8,058.12, 12,085.08 and 5,424.13 is: 8,134.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.12 : 12,085.08 = 5,424.13 : x
  2. Step 2: Convert to fraction form
    8,058.12/12,085.08 = 5,424.13/x
  3. Step 3: Cross multiply
    8,058.12x = 12,085.08 × 5,424.13
  4. Step 4: Simplify right side
    8,058.12x = 65,551,044.98
  5. Step 5: Solve for x
    x = 65,551,044.98/8,058.12
  6. Step 6: Final answer
    x = 8,134.78

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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.