Home / 8,085.21-11,157.48-4,548.43

Finding the Fourth Proportional to 8,085.21, 11,157.48 and 4,548.43

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Solution

The fourth proportional to 8,085.21, 11,157.48 and 4,548.43 is: 6,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.21 : 11,157.48 = 4,548.43 : x
  2. Step 2: Convert to fraction form
    8,085.21/11,157.48 = 4,548.43/x
  3. Step 3: Cross multiply
    8,085.21x = 11,157.48 × 4,548.43
  4. Step 4: Simplify right side
    8,085.21x = 50,748,988.86
  5. Step 5: Solve for x
    x = 50,748,988.86/8,085.21
  6. Step 6: Final answer
    x = 6,276.77

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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.