Home / 9,232.61-12,739.95-5,198.81

Finding the Fourth Proportional to 9,232.61, 12,739.95 and 5,198.81

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Solution

The fourth proportional to 9,232.61, 12,739.95 and 5,198.81 is: 7,173.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,232.61 : 12,739.95 = 5,198.81 : x
  2. Step 2: Convert to fraction form
    9,232.61/12,739.95 = 5,198.81/x
  3. Step 3: Cross multiply
    9,232.61x = 12,739.95 × 5,198.81
  4. Step 4: Simplify right side
    9,232.61x = 66,232,515.76
  5. Step 5: Solve for x
    x = 66,232,515.76/9,232.61
  6. Step 6: Final answer
    x = 7,173.76

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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.