Home / 9,240.24-12,759.48-6,892.92

Finding the Fourth Proportional to 9,240.24, 12,759.48 and 6,892.92

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Solution

The fourth proportional to 9,240.24, 12,759.48 and 6,892.92 is: 9,518.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.24 : 12,759.48 = 6,892.92 : x
  2. Step 2: Convert to fraction form
    9,240.24/12,759.48 = 6,892.92/x
  3. Step 3: Cross multiply
    9,240.24x = 12,759.48 × 6,892.92
  4. Step 4: Simplify right side
    9,240.24x = 87,950,074.88
  5. Step 5: Solve for x
    x = 87,950,074.88/9,240.24
  6. Step 6: Final answer
    x = 9,518.16

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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.