Home / 10,666.76-16,011.42-5,990.77

Finding the Fourth Proportional to 10,666.76, 16,011.42 and 5,990.77

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Solution

The fourth proportional to 10,666.76, 16,011.42 and 5,990.77 is: 8,992.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.76 : 16,011.42 = 5,990.77 : x
  2. Step 2: Convert to fraction form
    10,666.76/16,011.42 = 5,990.77/x
  3. Step 3: Cross multiply
    10,666.76x = 16,011.42 × 5,990.77
  4. Step 4: Simplify right side
    10,666.76x = 95,920,624.58
  5. Step 5: Solve for x
    x = 95,920,624.58/10,666.76
  6. Step 6: Final answer
    x = 8,992.48

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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.