Home / 11,973.24-16,520.26-7,257.40

Finding the Fourth Proportional to 11,973.24, 16,520.26 and 7,257.40

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Solution

The fourth proportional to 11,973.24, 16,520.26 and 7,257.40 is: 10,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973.24 : 16,520.26 = 7,257.40 : x
  2. Step 2: Convert to fraction form
    11,973.24/16,520.26 = 7,257.40/x
  3. Step 3: Cross multiply
    11,973.24x = 16,520.26 × 7,257.40
  4. Step 4: Simplify right side
    11,973.24x = 119,894,134.92
  5. Step 5: Solve for x
    x = 119,894,134.92/11,973.24
  6. Step 6: Final answer
    x = 10,013.51

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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.