Home / 8,132.03-11,216.01-6,999.63

Finding the Fourth Proportional to 8,132.03, 11,216.01 and 6,999.63

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Solution

The fourth proportional to 8,132.03, 11,216.01 and 6,999.63 is: 9,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.03 : 11,216.01 = 6,999.63 : x
  2. Step 2: Convert to fraction form
    8,132.03/11,216.01 = 6,999.63/x
  3. Step 3: Cross multiply
    8,132.03x = 11,216.01 × 6,999.63
  4. Step 4: Simplify right side
    8,132.03x = 78,507,864.00
  5. Step 5: Solve for x
    x = 78,507,864.00/8,132.03
  6. Step 6: Final answer
    x = 9,654.15

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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.