Home / 10,585.62-15,848.19-7,116.66

Finding the Fourth Proportional to 10,585.62, 15,848.19 and 7,116.66

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Solution

The fourth proportional to 10,585.62, 15,848.19 and 7,116.66 is: 10,654.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,585.62 : 15,848.19 = 7,116.66 : x
  2. Step 2: Convert to fraction form
    10,585.62/15,848.19 = 7,116.66/x
  3. Step 3: Cross multiply
    10,585.62x = 15,848.19 × 7,116.66
  4. Step 4: Simplify right side
    10,585.62x = 112,786,179.85
  5. Step 5: Solve for x
    x = 112,786,179.85/10,585.62
  6. Step 6: Final answer
    x = 10,654.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.