Home / 7,474.64-10,315.24-4,117.68

Finding the Fourth Proportional to 7,474.64, 10,315.24 and 4,117.68

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Solution

The fourth proportional to 7,474.64, 10,315.24 and 4,117.68 is: 5,682.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.64 : 10,315.24 = 4,117.68 : x
  2. Step 2: Convert to fraction form
    7,474.64/10,315.24 = 4,117.68/x
  3. Step 3: Cross multiply
    7,474.64x = 10,315.24 × 4,117.68
  4. Step 4: Simplify right side
    7,474.64x = 42,474,857.44
  5. Step 5: Solve for x
    x = 42,474,857.44/7,474.64
  6. Step 6: Final answer
    x = 5,682.53

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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.