Home / 9,072.51-13,610.36-4,142.65

Finding the Fourth Proportional to 9,072.51, 13,610.36 and 4,142.65

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Solution

The fourth proportional to 9,072.51, 13,610.36 and 4,142.65 is: 6,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.51 : 13,610.36 = 4,142.65 : x
  2. Step 2: Convert to fraction form
    9,072.51/13,610.36 = 4,142.65/x
  3. Step 3: Cross multiply
    9,072.51x = 13,610.36 × 4,142.65
  4. Step 4: Simplify right side
    9,072.51x = 56,382,918.65
  5. Step 5: Solve for x
    x = 56,382,918.65/9,072.51
  6. Step 6: Final answer
    x = 6,214.70

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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.