Home / 9,708.12-14,562.18-2,782.62

Finding the Fourth Proportional to 9,708.12, 14,562.18 and 2,782.62

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Solution

The fourth proportional to 9,708.12, 14,562.18 and 2,782.62 is: 4,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708.12 : 14,562.18 = 2,782.62 : x
  2. Step 2: Convert to fraction form
    9,708.12/14,562.18 = 2,782.62/x
  3. Step 3: Cross multiply
    9,708.12x = 14,562.18 × 2,782.62
  4. Step 4: Simplify right side
    9,708.12x = 40,521,013.31
  5. Step 5: Solve for x
    x = 40,521,013.31/9,708.12
  6. Step 6: Final answer
    x = 4,173.93

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Similar ratio
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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.