Home / 8,445.17-11,656.22-4,910.42

Finding the Fourth Proportional to 8,445.17, 11,656.22 and 4,910.42

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Solution

The fourth proportional to 8,445.17, 11,656.22 and 4,910.42 is: 6,777.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.17 : 11,656.22 = 4,910.42 : x
  2. Step 2: Convert to fraction form
    8,445.17/11,656.22 = 4,910.42/x
  3. Step 3: Cross multiply
    8,445.17x = 11,656.22 × 4,910.42
  4. Step 4: Simplify right side
    8,445.17x = 57,236,911.26
  5. Step 5: Solve for x
    x = 57,236,911.26/8,445.17
  6. Step 6: Final answer
    x = 6,777.47

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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.