Home / 8,520.06-11,767.52-5,682.50

Finding the Fourth Proportional to 8,520.06, 11,767.52 and 5,682.50

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Solution

The fourth proportional to 8,520.06, 11,767.52 and 5,682.50 is: 7,848.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.06 : 11,767.52 = 5,682.50 : x
  2. Step 2: Convert to fraction form
    8,520.06/11,767.52 = 5,682.50/x
  3. Step 3: Cross multiply
    8,520.06x = 11,767.52 × 5,682.50
  4. Step 4: Simplify right side
    8,520.06x = 66,868,932.40
  5. Step 5: Solve for x
    x = 66,868,932.40/8,520.06
  6. Step 6: Final answer
    x = 7,848.42

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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.