Home / 8,738.16-12,058.40-4,961.68

Finding the Fourth Proportional to 8,738.16, 12,058.40 and 4,961.68

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Solution

The fourth proportional to 8,738.16, 12,058.40 and 4,961.68 is: 6,846.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.16 : 12,058.40 = 4,961.68 : x
  2. Step 2: Convert to fraction form
    8,738.16/12,058.40 = 4,961.68/x
  3. Step 3: Cross multiply
    8,738.16x = 12,058.40 × 4,961.68
  4. Step 4: Simplify right side
    8,738.16x = 59,829,922.11
  5. Step 5: Solve for x
    x = 59,829,922.11/8,738.16
  6. Step 6: Final answer
    x = 6,846.97

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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.