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Finding the Fourth Proportional to 8,494.74, 11,710.98 and 7,073.19

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Solution

The fourth proportional to 8,494.74, 11,710.98 and 7,073.19 is: 9,751.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,494.74 : 11,710.98 = 7,073.19 : x
  2. Step 2: Convert to fraction form
    8,494.74/11,710.98 = 7,073.19/x
  3. Step 3: Cross multiply
    8,494.74x = 11,710.98 × 7,073.19
  4. Step 4: Simplify right side
    8,494.74x = 82,833,986.63
  5. Step 5: Solve for x
    x = 82,833,986.63/8,494.74
  6. Step 6: Final answer
    x = 9,751.21

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Double scale
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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.