Home / 9,372.86-12,912.59-6,535.07

Finding the Fourth Proportional to 9,372.86, 12,912.59 and 6,535.07

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Solution

The fourth proportional to 9,372.86, 12,912.59 and 6,535.07 is: 9,003.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,372.86 : 12,912.59 = 6,535.07 : x
  2. Step 2: Convert to fraction form
    9,372.86/12,912.59 = 6,535.07/x
  3. Step 3: Cross multiply
    9,372.86x = 12,912.59 × 6,535.07
  4. Step 4: Simplify right side
    9,372.86x = 84,384,679.14
  5. Step 5: Solve for x
    x = 84,384,679.14/9,372.86
  6. Step 6: Final answer
    x = 9,003.09

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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.