Home / 11,826.38-16,320.53-6,521.39

Finding the Fourth Proportional to 11,826.38, 16,320.53 and 6,521.39

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Solution

The fourth proportional to 11,826.38, 16,320.53 and 6,521.39 is: 8,999.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826.38 : 16,320.53 = 6,521.39 : x
  2. Step 2: Convert to fraction form
    11,826.38/16,320.53 = 6,521.39/x
  3. Step 3: Cross multiply
    11,826.38x = 16,320.53 × 6,521.39
  4. Step 4: Simplify right side
    11,826.38x = 106,432,541.14
  5. Step 5: Solve for x
    x = 106,432,541.14/11,826.38
  6. Step 6: Final answer
    x = 8,999.59

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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.