Home / 7,141.36-9,853.70-4,623.12

Finding the Fourth Proportional to 7,141.36, 9,853.70 and 4,623.12

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Solution

The fourth proportional to 7,141.36, 9,853.70 and 4,623.12 is: 6,379.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.36 : 9,853.70 = 4,623.12 : x
  2. Step 2: Convert to fraction form
    7,141.36/9,853.70 = 4,623.12/x
  3. Step 3: Cross multiply
    7,141.36x = 9,853.70 × 4,623.12
  4. Step 4: Simplify right side
    7,141.36x = 45,554,837.54
  5. Step 5: Solve for x
    x = 45,554,837.54/7,141.36
  6. Step 6: Final answer
    x = 6,379.01

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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.