Home / 11,332.47-15,638.99-6,297.15

Finding the Fourth Proportional to 11,332.47, 15,638.99 and 6,297.15

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Solution

The fourth proportional to 11,332.47, 15,638.99 and 6,297.15 is: 8,690.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,332.47 : 15,638.99 = 6,297.15 : x
  2. Step 2: Convert to fraction form
    11,332.47/15,638.99 = 6,297.15/x
  3. Step 3: Cross multiply
    11,332.47x = 15,638.99 × 6,297.15
  4. Step 4: Simplify right side
    11,332.47x = 98,481,034.39
  5. Step 5: Solve for x
    x = 98,481,034.39/11,332.47
  6. Step 6: Final answer
    x = 8,690.17

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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.