Home / 10,006.27-13,812.87-6,776.80

Finding the Fourth Proportional to 10,006.27, 13,812.87 and 6,776.80

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Solution

The fourth proportional to 10,006.27, 13,812.87 and 6,776.80 is: 9,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.27 : 13,812.87 = 6,776.80 : x
  2. Step 2: Convert to fraction form
    10,006.27/13,812.87 = 6,776.80/x
  3. Step 3: Cross multiply
    10,006.27x = 13,812.87 × 6,776.80
  4. Step 4: Simplify right side
    10,006.27x = 93,607,057.42
  5. Step 5: Solve for x
    x = 93,607,057.42/10,006.27
  6. Step 6: Final answer
    x = 9,354.84

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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.