Home / 7,687.19-10,608.35-4,661.30

Finding the Fourth Proportional to 7,687.19, 10,608.35 and 4,661.30

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Solution

The fourth proportional to 7,687.19, 10,608.35 and 4,661.30 is: 6,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.19 : 10,608.35 = 4,661.30 : x
  2. Step 2: Convert to fraction form
    7,687.19/10,608.35 = 4,661.30/x
  3. Step 3: Cross multiply
    7,687.19x = 10,608.35 × 4,661.30
  4. Step 4: Simplify right side
    7,687.19x = 49,448,625.51
  5. Step 5: Solve for x
    x = 49,448,625.51/7,687.19
  6. Step 6: Final answer
    x = 6,432.61

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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.