Home / 7,666.20-11,483.10-6,013.80

Finding the Fourth Proportional to 7,666.20, 11,483.10 and 6,013.80

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Solution

The fourth proportional to 7,666.20, 11,483.10 and 6,013.80 is: 9,007.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.20 : 11,483.10 = 6,013.80 : x
  2. Step 2: Convert to fraction form
    7,666.20/11,483.10 = 6,013.80/x
  3. Step 3: Cross multiply
    7,666.20x = 11,483.10 × 6,013.80
  4. Step 4: Simplify right side
    7,666.20x = 69,057,066.78
  5. Step 5: Solve for x
    x = 69,057,066.78/7,666.20
  6. Step 6: Final answer
    x = 9,007.99

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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.