Home / 10,678.70-16,022.21-4,437.15

Finding the Fourth Proportional to 10,678.70, 16,022.21 and 4,437.15

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Solution

The fourth proportional to 10,678.70, 16,022.21 and 4,437.15 is: 6,657.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.70 : 16,022.21 = 4,437.15 : x
  2. Step 2: Convert to fraction form
    10,678.70/16,022.21 = 4,437.15/x
  3. Step 3: Cross multiply
    10,678.70x = 16,022.21 × 4,437.15
  4. Step 4: Simplify right side
    10,678.70x = 71,092,926.92
  5. Step 5: Solve for x
    x = 71,092,926.92/10,678.70
  6. Step 6: Final answer
    x = 6,657.45

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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.