Home / 7,173.71-10,688.46-6,770.85

Finding the Fourth Proportional to 7,173.71, 10,688.46 and 6,770.85

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Solution

The fourth proportional to 7,173.71, 10,688.46 and 6,770.85 is: 10,088.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.71 : 10,688.46 = 6,770.85 : x
  2. Step 2: Convert to fraction form
    7,173.71/10,688.46 = 6,770.85/x
  3. Step 3: Cross multiply
    7,173.71x = 10,688.46 × 6,770.85
  4. Step 4: Simplify right side
    7,173.71x = 72,369,893.92
  5. Step 5: Solve for x
    x = 72,369,893.92/7,173.71
  6. Step 6: Final answer
    x = 10,088.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.