Home / 10,953.90-15,116.66-6,704.88

Finding the Fourth Proportional to 10,953.90, 15,116.66 and 6,704.88

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Solution

The fourth proportional to 10,953.90, 15,116.66 and 6,704.88 is: 9,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.90 : 15,116.66 = 6,704.88 : x
  2. Step 2: Convert to fraction form
    10,953.90/15,116.66 = 6,704.88/x
  3. Step 3: Cross multiply
    10,953.90x = 15,116.66 × 6,704.88
  4. Step 4: Simplify right side
    10,953.90x = 101,355,326.23
  5. Step 5: Solve for x
    x = 101,355,326.23/10,953.90
  6. Step 6: Final answer
    x = 9,252.90

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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.