Home / 7,474.72-10,315.11-4,332.73

Finding the Fourth Proportional to 7,474.72, 10,315.11 and 4,332.73

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Solution

The fourth proportional to 7,474.72, 10,315.11 and 4,332.73 is: 5,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.72 : 10,315.11 = 4,332.73 : x
  2. Step 2: Convert to fraction form
    7,474.72/10,315.11 = 4,332.73/x
  3. Step 3: Cross multiply
    7,474.72x = 10,315.11 × 4,332.73
  4. Step 4: Simplify right side
    7,474.72x = 44,692,586.55
  5. Step 5: Solve for x
    x = 44,692,586.55/7,474.72
  6. Step 6: Final answer
    x = 5,979.17

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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.