Home / 8,381.77-11,567.15-4,605.36

Finding the Fourth Proportional to 8,381.77, 11,567.15 and 4,605.36

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Solution

The fourth proportional to 8,381.77, 11,567.15 and 4,605.36 is: 6,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.77 : 11,567.15 = 4,605.36 : x
  2. Step 2: Convert to fraction form
    8,381.77/11,567.15 = 4,605.36/x
  3. Step 3: Cross multiply
    8,381.77x = 11,567.15 × 4,605.36
  4. Step 4: Simplify right side
    8,381.77x = 53,270,889.92
  5. Step 5: Solve for x
    x = 53,270,889.92/8,381.77
  6. Step 6: Final answer
    x = 6,355.57

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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.