Home / 8,693.13-11,996.31-5,288.88

Finding the Fourth Proportional to 8,693.13, 11,996.31 and 5,288.88

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Solution

The fourth proportional to 8,693.13, 11,996.31 and 5,288.88 is: 7,298.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.13 : 11,996.31 = 5,288.88 : x
  2. Step 2: Convert to fraction form
    8,693.13/11,996.31 = 5,288.88/x
  3. Step 3: Cross multiply
    8,693.13x = 11,996.31 × 5,288.88
  4. Step 4: Simplify right side
    8,693.13x = 63,447,044.03
  5. Step 5: Solve for x
    x = 63,447,044.03/8,693.13
  6. Step 6: Final answer
    x = 7,298.52

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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.