Home / 8,147.58-11,238.91-4,610.10

Finding the Fourth Proportional to 8,147.58, 11,238.91 and 4,610.10

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Solution

The fourth proportional to 8,147.58, 11,238.91 and 4,610.10 is: 6,359.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147.58 : 11,238.91 = 4,610.10 : x
  2. Step 2: Convert to fraction form
    8,147.58/11,238.91 = 4,610.10/x
  3. Step 3: Cross multiply
    8,147.58x = 11,238.91 × 4,610.10
  4. Step 4: Simplify right side
    8,147.58x = 51,812,498.99
  5. Step 5: Solve for x
    x = 51,812,498.99/8,147.58
  6. Step 6: Final answer
    x = 6,359.25

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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.