Home / 7,784.31-11,674.18-3,565.18

Finding the Fourth Proportional to 7,784.31, 11,674.18 and 3,565.18

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Solution

The fourth proportional to 7,784.31, 11,674.18 and 3,565.18 is: 5,346.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,784.31 : 11,674.18 = 3,565.18 : x
  2. Step 2: Convert to fraction form
    7,784.31/11,674.18 = 3,565.18/x
  3. Step 3: Cross multiply
    7,784.31x = 11,674.18 × 3,565.18
  4. Step 4: Simplify right side
    7,784.31x = 41,620,506.43
  5. Step 5: Solve for x
    x = 41,620,506.43/7,784.31
  6. Step 6: Final answer
    x = 5,346.72

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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.