Home / 7,740.24-11,625.30-6,632.16

Finding the Fourth Proportional to 7,740.24, 11,625.30 and 6,632.16

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Solution

The fourth proportional to 7,740.24, 11,625.30 and 6,632.16 is: 9,961.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.24 : 11,625.30 = 6,632.16 : x
  2. Step 2: Convert to fraction form
    7,740.24/11,625.30 = 6,632.16/x
  3. Step 3: Cross multiply
    7,740.24x = 11,625.30 × 6,632.16
  4. Step 4: Simplify right side
    7,740.24x = 77,100,849.65
  5. Step 5: Solve for x
    x = 77,100,849.65/7,740.24
  6. Step 6: Final answer
    x = 9,961.04

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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.