Home / 8,239.49-11,368.52-4,654.52

Finding the Fourth Proportional to 8,239.49, 11,368.52 and 4,654.52

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Solution

The fourth proportional to 8,239.49, 11,368.52 and 4,654.52 is: 6,422.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.49 : 11,368.52 = 4,654.52 : x
  2. Step 2: Convert to fraction form
    8,239.49/11,368.52 = 4,654.52/x
  3. Step 3: Cross multiply
    8,239.49x = 11,368.52 × 4,654.52
  4. Step 4: Simplify right side
    8,239.49x = 52,914,923.60
  5. Step 5: Solve for x
    x = 52,914,923.60/8,239.49
  6. Step 6: Final answer
    x = 6,422.12

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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.