Home / 11,571.12-15,967.44-7,094.88

Finding the Fourth Proportional to 11,571.12, 15,967.44 and 7,094.88

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Solution

The fourth proportional to 11,571.12, 15,967.44 and 7,094.88 is: 9,790.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.12 : 15,967.44 = 7,094.88 : x
  2. Step 2: Convert to fraction form
    11,571.12/15,967.44 = 7,094.88/x
  3. Step 3: Cross multiply
    11,571.12x = 15,967.44 × 7,094.88
  4. Step 4: Simplify right side
    11,571.12x = 113,287,070.71
  5. Step 5: Solve for x
    x = 113,287,070.71/11,571.12
  6. Step 6: Final answer
    x = 9,790.50

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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.