Home / 8,359.05-12,528.83-6,147.27

Finding the Fourth Proportional to 8,359.05, 12,528.83 and 6,147.27

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Solution

The fourth proportional to 8,359.05, 12,528.83 and 6,147.27 is: 9,213.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.05 : 12,528.83 = 6,147.27 : x
  2. Step 2: Convert to fraction form
    8,359.05/12,528.83 = 6,147.27/x
  3. Step 3: Cross multiply
    8,359.05x = 12,528.83 × 6,147.27
  4. Step 4: Simplify right side
    8,359.05x = 77,018,100.79
  5. Step 5: Solve for x
    x = 77,018,100.79/8,359.05
  6. Step 6: Final answer
    x = 9,213.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.