Home / 9,146.61-12,622.38-4,954.86

Finding the Fourth Proportional to 9,146.61, 12,622.38 and 4,954.86

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Solution

The fourth proportional to 9,146.61, 12,622.38 and 4,954.86 is: 6,837.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.61 : 12,622.38 = 4,954.86 : x
  2. Step 2: Convert to fraction form
    9,146.61/12,622.38 = 4,954.86/x
  3. Step 3: Cross multiply
    9,146.61x = 12,622.38 × 4,954.86
  4. Step 4: Simplify right side
    9,146.61x = 62,542,125.77
  5. Step 5: Solve for x
    x = 62,542,125.77/9,146.61
  6. Step 6: Final answer
    x = 6,837.74

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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.