Home / 9,359.15-12,912.52-6,174.02

Finding the Fourth Proportional to 9,359.15, 12,912.52 and 6,174.02

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Solution

The fourth proportional to 9,359.15, 12,912.52 and 6,174.02 is: 8,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.15 : 12,912.52 = 6,174.02 : x
  2. Step 2: Convert to fraction form
    9,359.15/12,912.52 = 6,174.02/x
  3. Step 3: Cross multiply
    9,359.15x = 12,912.52 × 6,174.02
  4. Step 4: Simplify right side
    9,359.15x = 79,722,156.73
  5. Step 5: Solve for x
    x = 79,722,156.73/9,359.15
  6. Step 6: Final answer
    x = 8,518.10

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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.