Home / 11,835.31-16,332.30-6,530.11

Finding the Fourth Proportional to 11,835.31, 16,332.30 and 6,530.11

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Solution

The fourth proportional to 11,835.31, 16,332.30 and 6,530.11 is: 9,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.31 : 16,332.30 = 6,530.11 : x
  2. Step 2: Convert to fraction form
    11,835.31/16,332.30 = 6,530.11/x
  3. Step 3: Cross multiply
    11,835.31x = 16,332.30 × 6,530.11
  4. Step 4: Simplify right side
    11,835.31x = 106,651,601.24
  5. Step 5: Solve for x
    x = 106,651,601.24/11,835.31
  6. Step 6: Final answer
    x = 9,011.31

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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.