Home / 11,360.63-15,677.67-6,392.63

Finding the Fourth Proportional to 11,360.63, 15,677.67 and 6,392.63

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Solution

The fourth proportional to 11,360.63, 15,677.67 and 6,392.63 is: 8,821.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.63 : 15,677.67 = 6,392.63 : x
  2. Step 2: Convert to fraction form
    11,360.63/15,677.67 = 6,392.63/x
  3. Step 3: Cross multiply
    11,360.63x = 15,677.67 × 6,392.63
  4. Step 4: Simplify right side
    11,360.63x = 100,221,465.18
  5. Step 5: Solve for x
    x = 100,221,465.18/11,360.63
  6. Step 6: Final answer
    x = 8,821.83

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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.