Home / 7,245.64-10,871.56-4,908.28

Finding the Fourth Proportional to 7,245.64, 10,871.56 and 4,908.28

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Solution

The fourth proportional to 7,245.64, 10,871.56 and 4,908.28 is: 7,364.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.64 : 10,871.56 = 4,908.28 : x
  2. Step 2: Convert to fraction form
    7,245.64/10,871.56 = 4,908.28/x
  3. Step 3: Cross multiply
    7,245.64x = 10,871.56 × 4,908.28
  4. Step 4: Simplify right side
    7,245.64x = 53,360,660.52
  5. Step 5: Solve for x
    x = 53,360,660.52/7,245.64
  6. Step 6: Final answer
    x = 7,364.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.