Home / 7,842.11-10,817.36-4,653.31

Finding the Fourth Proportional to 7,842.11, 10,817.36 and 4,653.31

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Solution

The fourth proportional to 7,842.11, 10,817.36 and 4,653.31 is: 6,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,842.11 : 10,817.36 = 4,653.31 : x
  2. Step 2: Convert to fraction form
    7,842.11/10,817.36 = 4,653.31/x
  3. Step 3: Cross multiply
    7,842.11x = 10,817.36 × 4,653.31
  4. Step 4: Simplify right side
    7,842.11x = 50,336,493.00
  5. Step 5: Solve for x
    x = 50,336,493.00/7,842.11
  6. Step 6: Final answer
    x = 6,418.74

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1.5x scale

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.