Home / 10,938.70-16,404.45-4,012.30

Finding the Fourth Proportional to 10,938.70, 16,404.45 and 4,012.30

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Solution

The fourth proportional to 10,938.70, 16,404.45 and 4,012.30 is: 6,017.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,938.70 : 16,404.45 = 4,012.30 : x
  2. Step 2: Convert to fraction form
    10,938.70/16,404.45 = 4,012.30/x
  3. Step 3: Cross multiply
    10,938.70x = 16,404.45 × 4,012.30
  4. Step 4: Simplify right side
    10,938.70x = 65,819,574.74
  5. Step 5: Solve for x
    x = 65,819,574.74/10,938.70
  6. Step 6: Final answer
    x = 6,017.13

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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.