Home / 8,835.51-12,198.60-6,145.72

Finding the Fourth Proportional to 8,835.51, 12,198.60 and 6,145.72

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Solution

The fourth proportional to 8,835.51, 12,198.60 and 6,145.72 is: 8,484.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.51 : 12,198.60 = 6,145.72 : x
  2. Step 2: Convert to fraction form
    8,835.51/12,198.60 = 6,145.72/x
  3. Step 3: Cross multiply
    8,835.51x = 12,198.60 × 6,145.72
  4. Step 4: Simplify right side
    8,835.51x = 74,969,218.11
  5. Step 5: Solve for x
    x = 74,969,218.11/8,835.51
  6. Step 6: Final answer
    x = 8,484.99

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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.