Home / 8,189.36-11,302.26-4,555.77

Finding the Fourth Proportional to 8,189.36, 11,302.26 and 4,555.77

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Solution

The fourth proportional to 8,189.36, 11,302.26 and 4,555.77 is: 6,287.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.36 : 11,302.26 = 4,555.77 : x
  2. Step 2: Convert to fraction form
    8,189.36/11,302.26 = 4,555.77/x
  3. Step 3: Cross multiply
    8,189.36x = 11,302.26 × 4,555.77
  4. Step 4: Simplify right side
    8,189.36x = 51,490,437.57
  5. Step 5: Solve for x
    x = 51,490,437.57/8,189.36
  6. Step 6: Final answer
    x = 6,287.48

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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.