Home / 12,259.92-16,920.57-6,953.61

Finding the Fourth Proportional to 12,259.92, 16,920.57 and 6,953.61

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Solution

The fourth proportional to 12,259.92, 16,920.57 and 6,953.61 is: 9,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259.92 : 16,920.57 = 6,953.61 : x
  2. Step 2: Convert to fraction form
    12,259.92/16,920.57 = 6,953.61/x
  3. Step 3: Cross multiply
    12,259.92x = 16,920.57 × 6,953.61
  4. Step 4: Simplify right side
    12,259.92x = 117,659,044.76
  5. Step 5: Solve for x
    x = 117,659,044.76/12,259.92
  6. Step 6: Final answer
    x = 9,597.05

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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.