Home / 11,749.13-17,619.36-8,237.36

Finding the Fourth Proportional to 11,749.13, 17,619.36 and 8,237.36

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Solution

The fourth proportional to 11,749.13, 17,619.36 and 8,237.36 is: 12,353.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.13 : 17,619.36 = 8,237.36 : x
  2. Step 2: Convert to fraction form
    11,749.13/17,619.36 = 8,237.36/x
  3. Step 3: Cross multiply
    11,749.13x = 17,619.36 × 8,237.36
  4. Step 4: Simplify right side
    11,749.13x = 145,137,011.29
  5. Step 5: Solve for x
    x = 145,137,011.29/11,749.13
  6. Step 6: Final answer
    x = 12,353.00

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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.