Home / 7,845.35-10,826.73-4,308.75

Finding the Fourth Proportional to 7,845.35, 10,826.73 and 4,308.75

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Solution

The fourth proportional to 7,845.35, 10,826.73 and 4,308.75 is: 5,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.35 : 10,826.73 = 4,308.75 : x
  2. Step 2: Convert to fraction form
    7,845.35/10,826.73 = 4,308.75/x
  3. Step 3: Cross multiply
    7,845.35x = 10,826.73 × 4,308.75
  4. Step 4: Simplify right side
    7,845.35x = 46,649,672.89
  5. Step 5: Solve for x
    x = 46,649,672.89/7,845.35
  6. Step 6: Final answer
    x = 5,946.16

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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.