Home / 6,807.09-9,394.80-4,156.04

Finding the Fourth Proportional to 6,807.09, 9,394.80 and 4,156.04

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Solution

The fourth proportional to 6,807.09, 9,394.80 and 4,156.04 is: 5,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.09 : 9,394.80 = 4,156.04 : x
  2. Step 2: Convert to fraction form
    6,807.09/9,394.80 = 4,156.04/x
  3. Step 3: Cross multiply
    6,807.09x = 9,394.80 × 4,156.04
  4. Step 4: Simplify right side
    6,807.09x = 39,045,117.62
  5. Step 5: Solve for x
    x = 39,045,117.62/6,807.09
  6. Step 6: Final answer
    x = 5,735.95

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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.