Home / 8,445.89-11,652.48-5,465.49

Finding the Fourth Proportional to 8,445.89, 11,652.48 and 5,465.49

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Solution

The fourth proportional to 8,445.89, 11,652.48 and 5,465.49 is: 7,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.89 : 11,652.48 = 5,465.49 : x
  2. Step 2: Convert to fraction form
    8,445.89/11,652.48 = 5,465.49/x
  3. Step 3: Cross multiply
    8,445.89x = 11,652.48 × 5,465.49
  4. Step 4: Simplify right side
    8,445.89x = 63,686,512.92
  5. Step 5: Solve for x
    x = 63,686,512.92/8,445.89
  6. Step 6: Final answer
    x = 7,540.54

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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.