Home / 7,382.13-10,188.77-4,859.79

Finding the Fourth Proportional to 7,382.13, 10,188.77 and 4,859.79

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Solution

The fourth proportional to 7,382.13, 10,188.77 and 4,859.79 is: 6,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.13 : 10,188.77 = 4,859.79 : x
  2. Step 2: Convert to fraction form
    7,382.13/10,188.77 = 4,859.79/x
  3. Step 3: Cross multiply
    7,382.13x = 10,188.77 × 4,859.79
  4. Step 4: Simplify right side
    7,382.13x = 49,515,258.26
  5. Step 5: Solve for x
    x = 49,515,258.26/7,382.13
  6. Step 6: Final answer
    x = 6,707.45

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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.