Home / 6,811.38-9,399.60-4,569.75

Finding the Fourth Proportional to 6,811.38, 9,399.60 and 4,569.75

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Solution

The fourth proportional to 6,811.38, 9,399.60 and 4,569.75 is: 6,306.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.38 : 9,399.60 = 4,569.75 : x
  2. Step 2: Convert to fraction form
    6,811.38/9,399.60 = 4,569.75/x
  3. Step 3: Cross multiply
    6,811.38x = 9,399.60 × 4,569.75
  4. Step 4: Simplify right side
    6,811.38x = 42,953,822.10
  5. Step 5: Solve for x
    x = 42,953,822.10/6,811.38
  6. Step 6: Final answer
    x = 6,306.18

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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.