Home / 8,523.36-11,750.40-6,629.04

Finding the Fourth Proportional to 8,523.36, 11,750.40 and 6,629.04

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Solution

The fourth proportional to 8,523.36, 11,750.40 and 6,629.04 is: 9,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.36 : 11,750.40 = 6,629.04 : x
  2. Step 2: Convert to fraction form
    8,523.36/11,750.40 = 6,629.04/x
  3. Step 3: Cross multiply
    8,523.36x = 11,750.40 × 6,629.04
  4. Step 4: Simplify right side
    8,523.36x = 77,893,871.62
  5. Step 5: Solve for x
    x = 77,893,871.62/8,523.36
  6. Step 6: Final answer
    x = 9,138.87

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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.