Home / 11,009.48-16,519.08-5,165.60

Finding the Fourth Proportional to 11,009.48, 16,519.08 and 5,165.60

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Solution

The fourth proportional to 11,009.48, 16,519.08 and 5,165.60 is: 7,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,009.48 : 16,519.08 = 5,165.60 : x
  2. Step 2: Convert to fraction form
    11,009.48/16,519.08 = 5,165.60/x
  3. Step 3: Cross multiply
    11,009.48x = 16,519.08 × 5,165.60
  4. Step 4: Simplify right side
    11,009.48x = 85,330,959.65
  5. Step 5: Solve for x
    x = 85,330,959.65/11,009.48
  6. Step 6: Final answer
    x = 7,750.68

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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.