Home / 13,313.52-18,363.24-8,834.76

Finding the Fourth Proportional to 13,313.52, 18,363.24 and 8,834.76

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Solution

The fourth proportional to 13,313.52, 18,363.24 and 8,834.76 is: 12,185.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.52 : 18,363.24 = 8,834.76 : x
  2. Step 2: Convert to fraction form
    13,313.52/18,363.24 = 8,834.76/x
  3. Step 3: Cross multiply
    13,313.52x = 18,363.24 × 8,834.76
  4. Step 4: Simplify right side
    13,313.52x = 162,234,818.22
  5. Step 5: Solve for x
    x = 162,234,818.22/13,313.52
  6. Step 6: Final answer
    x = 12,185.72

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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.