Home / 9,982.04-13,774.86-5,732.96

Finding the Fourth Proportional to 9,982.04, 13,774.86 and 5,732.96

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Solution

The fourth proportional to 9,982.04, 13,774.86 and 5,732.96 is: 7,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.04 : 13,774.86 = 5,732.96 : x
  2. Step 2: Convert to fraction form
    9,982.04/13,774.86 = 5,732.96/x
  3. Step 3: Cross multiply
    9,982.04x = 13,774.86 × 5,732.96
  4. Step 4: Simplify right side
    9,982.04x = 78,970,652.51
  5. Step 5: Solve for x
    x = 78,970,652.51/9,982.04
  6. Step 6: Final answer
    x = 7,911.28

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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.