Home / 7,829.64-10,803.54-5,175.66

Finding the Fourth Proportional to 7,829.64, 10,803.54 and 5,175.66

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Solution

The fourth proportional to 7,829.64, 10,803.54 and 5,175.66 is: 7,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.64 : 10,803.54 = 5,175.66 : x
  2. Step 2: Convert to fraction form
    7,829.64/10,803.54 = 5,175.66/x
  3. Step 3: Cross multiply
    7,829.64x = 10,803.54 × 5,175.66
  4. Step 4: Simplify right side
    7,829.64x = 55,915,449.84
  5. Step 5: Solve for x
    x = 55,915,449.84/7,829.64
  6. Step 6: Final answer
    x = 7,141.51

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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.