Home / 11,345.04-17,029.08-7,174.80

Finding the Fourth Proportional to 11,345.04, 17,029.08 and 7,174.80

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Solution

The fourth proportional to 11,345.04, 17,029.08 and 7,174.80 is: 10,769.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.04 : 17,029.08 = 7,174.80 : x
  2. Step 2: Convert to fraction form
    11,345.04/17,029.08 = 7,174.80/x
  3. Step 3: Cross multiply
    11,345.04x = 17,029.08 × 7,174.80
  4. Step 4: Simplify right side
    11,345.04x = 122,180,243.18
  5. Step 5: Solve for x
    x = 122,180,243.18/11,345.04
  6. Step 6: Final answer
    x = 10,769.49

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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.