Home / 11,049.87-16,566.51-6,666.30

Finding the Fourth Proportional to 11,049.87, 16,566.51 and 6,666.30

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Solution

The fourth proportional to 11,049.87, 16,566.51 and 6,666.30 is: 9,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,049.87 : 16,566.51 = 6,666.30 : x
  2. Step 2: Convert to fraction form
    11,049.87/16,566.51 = 6,666.30/x
  3. Step 3: Cross multiply
    11,049.87x = 16,566.51 × 6,666.30
  4. Step 4: Simplify right side
    11,049.87x = 110,437,325.61
  5. Step 5: Solve for x
    x = 110,437,325.61/11,049.87
  6. Step 6: Final answer
    x = 9,994.45

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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.