Home / 8,518.48-11,755.50-4,741.56

Finding the Fourth Proportional to 8,518.48, 11,755.50 and 4,741.56

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Solution

The fourth proportional to 8,518.48, 11,755.50 and 4,741.56 is: 6,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518.48 : 11,755.50 = 4,741.56 : x
  2. Step 2: Convert to fraction form
    8,518.48/11,755.50 = 4,741.56/x
  3. Step 3: Cross multiply
    8,518.48x = 11,755.50 × 4,741.56
  4. Step 4: Simplify right side
    8,518.48x = 55,739,455.63
  5. Step 5: Solve for x
    x = 55,739,455.63/8,518.48
  6. Step 6: Final answer
    x = 6,543.36

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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.