Home / 6,209.40-9,327.10-5,237.40

Finding the Fourth Proportional to 6,209.40, 9,327.10 and 5,237.40

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Solution

The fourth proportional to 6,209.40, 9,327.10 and 5,237.40 is: 7,867.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.40 : 9,327.10 = 5,237.40 : x
  2. Step 2: Convert to fraction form
    6,209.40/9,327.10 = 5,237.40/x
  3. Step 3: Cross multiply
    6,209.40x = 9,327.10 × 5,237.40
  4. Step 4: Simplify right side
    6,209.40x = 48,849,753.54
  5. Step 5: Solve for x
    x = 48,849,753.54/6,209.40
  6. Step 6: Final answer
    x = 7,867.07

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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.