Home / 10,670.27-16,008.47-4,429.11

Finding the Fourth Proportional to 10,670.27, 16,008.47 and 4,429.11

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Solution

The fourth proportional to 10,670.27, 16,008.47 and 4,429.11 is: 6,644.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.27 : 16,008.47 = 4,429.11 : x
  2. Step 2: Convert to fraction form
    10,670.27/16,008.47 = 4,429.11/x
  3. Step 3: Cross multiply
    10,670.27x = 16,008.47 × 4,429.11
  4. Step 4: Simplify right side
    10,670.27x = 70,903,252.42
  5. Step 5: Solve for x
    x = 70,903,252.42/10,670.27
  6. Step 6: Final answer
    x = 6,644.94

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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.