Home / 7,474.61-10,315.04-4,117.44

Finding the Fourth Proportional to 7,474.61, 10,315.04 and 4,117.44

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Solution

The fourth proportional to 7,474.61, 10,315.04 and 4,117.44 is: 5,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,474.61 : 10,315.04 = 4,117.44 : x
  2. Step 2: Convert to fraction form
    7,474.61/10,315.04 = 4,117.44/x
  3. Step 3: Cross multiply
    7,474.61x = 10,315.04 × 4,117.44
  4. Step 4: Simplify right side
    7,474.61x = 42,471,576.39
  5. Step 5: Solve for x
    x = 42,471,576.39/7,474.61
  6. Step 6: Final answer
    x = 5,682.11

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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.