Home / 8,459.22-11,643.40-7,027.14

Finding the Fourth Proportional to 8,459.22, 11,643.40 and 7,027.14

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Solution

The fourth proportional to 8,459.22, 11,643.40 and 7,027.14 is: 9,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.22 : 11,643.40 = 7,027.14 : x
  2. Step 2: Convert to fraction form
    8,459.22/11,643.40 = 7,027.14/x
  3. Step 3: Cross multiply
    8,459.22x = 11,643.40 × 7,027.14
  4. Step 4: Simplify right side
    8,459.22x = 81,819,801.88
  5. Step 5: Solve for x
    x = 81,819,801.88/8,459.22
  6. Step 6: Final answer
    x = 9,672.26

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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.