Home / 9,091.20-12,546.48-5,058.54

Finding the Fourth Proportional to 9,091.20, 12,546.48 and 5,058.54

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Solution

The fourth proportional to 9,091.20, 12,546.48 and 5,058.54 is: 6,981.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.20 : 12,546.48 = 5,058.54 : x
  2. Step 2: Convert to fraction form
    9,091.20/12,546.48 = 5,058.54/x
  3. Step 3: Cross multiply
    9,091.20x = 12,546.48 × 5,058.54
  4. Step 4: Simplify right side
    9,091.20x = 63,466,870.94
  5. Step 5: Solve for x
    x = 63,466,870.94/9,091.20
  6. Step 6: Final answer
    x = 6,981.13

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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.