Home / 11,835.68-16,333.68-6,531.20

Finding the Fourth Proportional to 11,835.68, 16,333.68 and 6,531.20

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Solution

The fourth proportional to 11,835.68, 16,333.68 and 6,531.20 is: 9,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.68 : 16,333.68 = 6,531.20 : x
  2. Step 2: Convert to fraction form
    11,835.68/16,333.68 = 6,531.20/x
  3. Step 3: Cross multiply
    11,835.68x = 16,333.68 × 6,531.20
  4. Step 4: Simplify right side
    11,835.68x = 106,678,530.82
  5. Step 5: Solve for x
    x = 106,678,530.82/11,835.68
  6. Step 6: Final answer
    x = 9,013.30

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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.