Home / 6,909.48-9,535.20-3,765.84

Finding the Fourth Proportional to 6,909.48, 9,535.20 and 3,765.84

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Solution

The fourth proportional to 6,909.48, 9,535.20 and 3,765.84 is: 5,196.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,909.48 : 9,535.20 = 3,765.84 : x
  2. Step 2: Convert to fraction form
    6,909.48/9,535.20 = 3,765.84/x
  3. Step 3: Cross multiply
    6,909.48x = 9,535.20 × 3,765.84
  4. Step 4: Simplify right side
    6,909.48x = 35,908,037.57
  5. Step 5: Solve for x
    x = 35,908,037.57/6,909.48
  6. Step 6: Final answer
    x = 5,196.92

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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.