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Finding the Fourth Proportional to 8,519.42, 11,729.52 and 8,333.52

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Solution

The fourth proportional to 8,519.42, 11,729.52 and 8,333.52 is: 11,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.42 : 11,729.52 = 8,333.52 : x
  2. Step 2: Convert to fraction form
    8,519.42/11,729.52 = 8,333.52/x
  3. Step 3: Cross multiply
    8,519.42x = 11,729.52 × 8,333.52
  4. Step 4: Simplify right side
    8,519.42x = 97,748,189.51
  5. Step 5: Solve for x
    x = 97,748,189.51/8,519.42
  6. Step 6: Final answer
    x = 11,473.57

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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.