Home / 11,011.48-15,195.60-5,975.72

Finding the Fourth Proportional to 11,011.48, 15,195.60 and 5,975.72

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Solution

The fourth proportional to 11,011.48, 15,195.60 and 5,975.72 is: 8,246.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.48 : 15,195.60 = 5,975.72 : x
  2. Step 2: Convert to fraction form
    11,011.48/15,195.60 = 5,975.72/x
  3. Step 3: Cross multiply
    11,011.48x = 15,195.60 × 5,975.72
  4. Step 4: Simplify right side
    11,011.48x = 90,804,650.83
  5. Step 5: Solve for x
    x = 90,804,650.83/11,011.48
  6. Step 6: Final answer
    x = 8,246.36

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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.