Home / 11,400.54-15,733.43-6,364.74

Finding the Fourth Proportional to 11,400.54, 15,733.43 and 6,364.74

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Solution

The fourth proportional to 11,400.54, 15,733.43 and 6,364.74 is: 8,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.54 : 15,733.43 = 6,364.74 : x
  2. Step 2: Convert to fraction form
    11,400.54/15,733.43 = 6,364.74/x
  3. Step 3: Cross multiply
    11,400.54x = 15,733.43 × 6,364.74
  4. Step 4: Simplify right side
    11,400.54x = 100,139,278.10
  5. Step 5: Solve for x
    x = 100,139,278.10/11,400.54
  6. Step 6: Final answer
    x = 8,783.73

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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.