Home / 8,577.18-11,820.33-6,873.75

Finding the Fourth Proportional to 8,577.18, 11,820.33 and 6,873.75

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Solution

The fourth proportional to 8,577.18, 11,820.33 and 6,873.75 is: 9,472.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.18 : 11,820.33 = 6,873.75 : x
  2. Step 2: Convert to fraction form
    8,577.18/11,820.33 = 6,873.75/x
  3. Step 3: Cross multiply
    8,577.18x = 11,820.33 × 6,873.75
  4. Step 4: Simplify right side
    8,577.18x = 81,249,993.34
  5. Step 5: Solve for x
    x = 81,249,993.34/8,577.18
  6. Step 6: Final answer
    x = 9,472.81

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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.