Home / 8,646.12-11,930.10-5,110.44

Finding the Fourth Proportional to 8,646.12, 11,930.10 and 5,110.44

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Solution

The fourth proportional to 8,646.12, 11,930.10 and 5,110.44 is: 7,051.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646.12 : 11,930.10 = 5,110.44 : x
  2. Step 2: Convert to fraction form
    8,646.12/11,930.10 = 5,110.44/x
  3. Step 3: Cross multiply
    8,646.12x = 11,930.10 × 5,110.44
  4. Step 4: Simplify right side
    8,646.12x = 60,968,060.24
  5. Step 5: Solve for x
    x = 60,968,060.24/8,646.12
  6. Step 6: Final answer
    x = 7,051.49

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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.