Home / 11,565.12-17,350.08-4,640.16

Finding the Fourth Proportional to 11,565.12, 17,350.08 and 4,640.16

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Solution

The fourth proportional to 11,565.12, 17,350.08 and 4,640.16 is: 6,961.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,565.12 : 17,350.08 = 4,640.16 : x
  2. Step 2: Convert to fraction form
    11,565.12/17,350.08 = 4,640.16/x
  3. Step 3: Cross multiply
    11,565.12x = 17,350.08 × 4,640.16
  4. Step 4: Simplify right side
    11,565.12x = 80,507,147.21
  5. Step 5: Solve for x
    x = 80,507,147.21/11,565.12
  6. Step 6: Final answer
    x = 6,961.20

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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.