Home / 7,925.46-10,936.24-4,387.78

Finding the Fourth Proportional to 7,925.46, 10,936.24 and 4,387.78

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Solution

The fourth proportional to 7,925.46, 10,936.24 and 4,387.78 is: 6,054.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.46 : 10,936.24 = 4,387.78 : x
  2. Step 2: Convert to fraction form
    7,925.46/10,936.24 = 4,387.78/x
  3. Step 3: Cross multiply
    7,925.46x = 10,936.24 × 4,387.78
  4. Step 4: Simplify right side
    7,925.46x = 47,985,815.15
  5. Step 5: Solve for x
    x = 47,985,815.15/7,925.46
  6. Step 6: Final answer
    x = 6,054.64

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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.