Home / 11,970.88-17,937.69-4,571.30

Finding the Fourth Proportional to 11,970.88, 17,937.69 and 4,571.30

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Solution

The fourth proportional to 11,970.88, 17,937.69 and 4,571.30 is: 6,849.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,970.88 : 17,937.69 = 4,571.30 : x
  2. Step 2: Convert to fraction form
    11,970.88/17,937.69 = 4,571.30/x
  3. Step 3: Cross multiply
    11,970.88x = 17,937.69 × 4,571.30
  4. Step 4: Simplify right side
    11,970.88x = 81,998,533.61
  5. Step 5: Solve for x
    x = 81,998,533.61/11,970.88
  6. Step 6: Final answer
    x = 6,849.84

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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.