Home / 8,506.90-11,740.43-4,971.26

Finding the Fourth Proportional to 8,506.90, 11,740.43 and 4,971.26

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Solution

The fourth proportional to 8,506.90, 11,740.43 and 4,971.26 is: 6,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.90 : 11,740.43 = 4,971.26 : x
  2. Step 2: Convert to fraction form
    8,506.90/11,740.43 = 4,971.26/x
  3. Step 3: Cross multiply
    8,506.90x = 11,740.43 × 4,971.26
  4. Step 4: Simplify right side
    8,506.90x = 58,364,730.04
  5. Step 5: Solve for x
    x = 58,364,730.04/8,506.90
  6. Step 6: Final answer
    x = 6,860.87

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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.