Home / 11,715.06-17,580.36-5,475.56

Finding the Fourth Proportional to 11,715.06, 17,580.36 and 5,475.56

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Solution

The fourth proportional to 11,715.06, 17,580.36 and 5,475.56 is: 8,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,715.06 : 17,580.36 = 5,475.56 : x
  2. Step 2: Convert to fraction form
    11,715.06/17,580.36 = 5,475.56/x
  3. Step 3: Cross multiply
    11,715.06x = 17,580.36 × 5,475.56
  4. Step 4: Simplify right side
    11,715.06x = 96,262,228.10
  5. Step 5: Solve for x
    x = 96,262,228.10/11,715.06
  6. Step 6: Final answer
    x = 8,216.96

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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.