Home / 8,508.98-11,741.52-4,971.74

Finding the Fourth Proportional to 8,508.98, 11,741.52 and 4,971.74

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Solution

The fourth proportional to 8,508.98, 11,741.52 and 4,971.74 is: 6,860.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.98 : 11,741.52 = 4,971.74 : x
  2. Step 2: Convert to fraction form
    8,508.98/11,741.52 = 4,971.74/x
  3. Step 3: Cross multiply
    8,508.98x = 11,741.52 × 4,971.74
  4. Step 4: Simplify right side
    8,508.98x = 58,375,784.64
  5. Step 5: Solve for x
    x = 58,375,784.64/8,508.98
  6. Step 6: Final answer
    x = 6,860.49

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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.