Home / 8,535.12-11,771.64-5,881.92

Finding the Fourth Proportional to 8,535.12, 11,771.64 and 5,881.92

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Solution

The fourth proportional to 8,535.12, 11,771.64 and 5,881.92 is: 8,112.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,535.12 : 11,771.64 = 5,881.92 : x
  2. Step 2: Convert to fraction form
    8,535.12/11,771.64 = 5,881.92/x
  3. Step 3: Cross multiply
    8,535.12x = 11,771.64 × 5,881.92
  4. Step 4: Simplify right side
    8,535.12x = 69,239,844.75
  5. Step 5: Solve for x
    x = 69,239,844.75/8,535.12
  6. Step 6: Final answer
    x = 8,112.35

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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.