Home / 10,670.15-16,006.85-5,122.46

Finding the Fourth Proportional to 10,670.15, 16,006.85 and 5,122.46

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Solution

The fourth proportional to 10,670.15, 16,006.85 and 5,122.46 is: 7,684.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.15 : 16,006.85 = 5,122.46 : x
  2. Step 2: Convert to fraction form
    10,670.15/16,006.85 = 5,122.46/x
  3. Step 3: Cross multiply
    10,670.15x = 16,006.85 × 5,122.46
  4. Step 4: Simplify right side
    10,670.15x = 81,994,448.85
  5. Step 5: Solve for x
    x = 81,994,448.85/10,670.15
  6. Step 6: Final answer
    x = 7,684.47

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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.