Home / 7,124.32-10,682.64-3,962.74

Finding the Fourth Proportional to 7,124.32, 10,682.64 and 3,962.74

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Solution

The fourth proportional to 7,124.32, 10,682.64 and 3,962.74 is: 5,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.32 : 10,682.64 = 3,962.74 : x
  2. Step 2: Convert to fraction form
    7,124.32/10,682.64 = 3,962.74/x
  3. Step 3: Cross multiply
    7,124.32x = 10,682.64 × 3,962.74
  4. Step 4: Simplify right side
    7,124.32x = 42,332,543.48
  5. Step 5: Solve for x
    x = 42,332,543.48/7,124.32
  6. Step 6: Final answer
    x = 5,941.97

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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.