Home / 7,486.63-11,208.21-4,357.09

Finding the Fourth Proportional to 7,486.63, 11,208.21 and 4,357.09

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Solution

The fourth proportional to 7,486.63, 11,208.21 and 4,357.09 is: 6,522.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.63 : 11,208.21 = 4,357.09 : x
  2. Step 2: Convert to fraction form
    7,486.63/11,208.21 = 4,357.09/x
  3. Step 3: Cross multiply
    7,486.63x = 11,208.21 × 4,357.09
  4. Step 4: Simplify right side
    7,486.63x = 48,835,179.71
  5. Step 5: Solve for x
    x = 48,835,179.71/7,486.63
  6. Step 6: Final answer
    x = 6,522.99

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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.