Home / 12,285.24-16,953.18-6,696.12

Finding the Fourth Proportional to 12,285.24, 16,953.18 and 6,696.12

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Solution

The fourth proportional to 12,285.24, 16,953.18 and 6,696.12 is: 9,240.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285.24 : 16,953.18 = 6,696.12 : x
  2. Step 2: Convert to fraction form
    12,285.24/16,953.18 = 6,696.12/x
  3. Step 3: Cross multiply
    12,285.24x = 16,953.18 × 6,696.12
  4. Step 4: Simplify right side
    12,285.24x = 113,520,527.66
  5. Step 5: Solve for x
    x = 113,520,527.66/12,285.24
  6. Step 6: Final answer
    x = 9,240.40

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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.