Home / 7,113.32-10,680.94-6,340.58

Finding the Fourth Proportional to 7,113.32, 10,680.94 and 6,340.58

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Solution

The fourth proportional to 7,113.32, 10,680.94 and 6,340.58 is: 9,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113.32 : 10,680.94 = 6,340.58 : x
  2. Step 2: Convert to fraction form
    7,113.32/10,680.94 = 6,340.58/x
  3. Step 3: Cross multiply
    7,113.32x = 10,680.94 × 6,340.58
  4. Step 4: Simplify right side
    7,113.32x = 67,723,354.55
  5. Step 5: Solve for x
    x = 67,723,354.55/7,113.32
  6. Step 6: Final answer
    x = 9,520.64

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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.