Home / 12,216.01-16,856.29-6,910.71

Finding the Fourth Proportional to 12,216.01, 16,856.29 and 6,910.71

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Solution

The fourth proportional to 12,216.01, 16,856.29 and 6,910.71 is: 9,535.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,216.01 : 16,856.29 = 6,910.71 : x
  2. Step 2: Convert to fraction form
    12,216.01/16,856.29 = 6,910.71/x
  3. Step 3: Cross multiply
    12,216.01x = 16,856.29 × 6,910.71
  4. Step 4: Simplify right side
    12,216.01x = 116,488,931.87
  5. Step 5: Solve for x
    x = 116,488,931.87/12,216.01
  6. Step 6: Final answer
    x = 9,535.76

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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.