Home / 7,943.52-10,964.18-4,957.54

Finding the Fourth Proportional to 7,943.52, 10,964.18 and 4,957.54

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Solution

The fourth proportional to 7,943.52, 10,964.18 and 4,957.54 is: 6,842.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.52 : 10,964.18 = 4,957.54 : x
  2. Step 2: Convert to fraction form
    7,943.52/10,964.18 = 4,957.54/x
  3. Step 3: Cross multiply
    7,943.52x = 10,964.18 × 4,957.54
  4. Step 4: Simplify right side
    7,943.52x = 54,355,360.92
  5. Step 5: Solve for x
    x = 54,355,360.92/7,943.52
  6. Step 6: Final answer
    x = 6,842.73

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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.