Home / 13,302.52-18,360.68-7,996.31

Finding the Fourth Proportional to 13,302.52, 18,360.68 and 7,996.31

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Solution

The fourth proportional to 13,302.52, 18,360.68 and 7,996.31 is: 11,036.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.52 : 18,360.68 = 7,996.31 : x
  2. Step 2: Convert to fraction form
    13,302.52/18,360.68 = 7,996.31/x
  3. Step 3: Cross multiply
    13,302.52x = 18,360.68 × 7,996.31
  4. Step 4: Simplify right side
    13,302.52x = 146,817,717.50
  5. Step 5: Solve for x
    x = 146,817,717.50/13,302.52
  6. Step 6: Final answer
    x = 11,036.83

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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.