Home / 11,445.89-15,795.10-6,341.27

Finding the Fourth Proportional to 11,445.89, 15,795.10 and 6,341.27

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Solution

The fourth proportional to 11,445.89, 15,795.10 and 6,341.27 is: 8,750.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,445.89 : 15,795.10 = 6,341.27 : x
  2. Step 2: Convert to fraction form
    11,445.89/15,795.10 = 6,341.27/x
  3. Step 3: Cross multiply
    11,445.89x = 15,795.10 × 6,341.27
  4. Step 4: Simplify right side
    11,445.89x = 100,160,993.78
  5. Step 5: Solve for x
    x = 100,160,993.78/11,445.89
  6. Step 6: Final answer
    x = 8,750.83

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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.