Home / 6,807.16-9,394.14-4,155.76

Finding the Fourth Proportional to 6,807.16, 9,394.14 and 4,155.76

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Solution

The fourth proportional to 6,807.16, 9,394.14 and 4,155.76 is: 5,735.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,807.16 : 9,394.14 = 4,155.76 : x
  2. Step 2: Convert to fraction form
    6,807.16/9,394.14 = 4,155.76/x
  3. Step 3: Cross multiply
    6,807.16x = 9,394.14 × 4,155.76
  4. Step 4: Simplify right side
    6,807.16x = 39,039,791.25
  5. Step 5: Solve for x
    x = 39,039,791.25/6,807.16
  6. Step 6: Final answer
    x = 5,735.11

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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.