Home / 12,245.18-16,898.16-6,867.59

Finding the Fourth Proportional to 12,245.18, 16,898.16 and 6,867.59

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Solution

The fourth proportional to 12,245.18, 16,898.16 and 6,867.59 is: 9,477.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.18 : 16,898.16 = 6,867.59 : x
  2. Step 2: Convert to fraction form
    12,245.18/16,898.16 = 6,867.59/x
  3. Step 3: Cross multiply
    12,245.18x = 16,898.16 × 6,867.59
  4. Step 4: Simplify right side
    12,245.18x = 116,049,676.88
  5. Step 5: Solve for x
    x = 116,049,676.88/12,245.18
  6. Step 6: Final answer
    x = 9,477.17

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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.