Home / 10,956.72-15,116.58-6,237.66

Finding the Fourth Proportional to 10,956.72, 15,116.58 and 6,237.66

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Solution

The fourth proportional to 10,956.72, 15,116.58 and 6,237.66 is: 8,605.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.72 : 15,116.58 = 6,237.66 : x
  2. Step 2: Convert to fraction form
    10,956.72/15,116.58 = 6,237.66/x
  3. Step 3: Cross multiply
    10,956.72x = 15,116.58 × 6,237.66
  4. Step 4: Simplify right side
    10,956.72x = 94,292,086.40
  5. Step 5: Solve for x
    x = 94,292,086.40/10,956.72
  6. Step 6: Final answer
    x = 8,605.87

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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.