Home / 10,390.41-14,338.08-5,914.62

Finding the Fourth Proportional to 10,390.41, 14,338.08 and 5,914.62

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Solution

The fourth proportional to 10,390.41, 14,338.08 and 5,914.62 is: 8,161.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.41 : 14,338.08 = 5,914.62 : x
  2. Step 2: Convert to fraction form
    10,390.41/14,338.08 = 5,914.62/x
  3. Step 3: Cross multiply
    10,390.41x = 14,338.08 × 5,914.62
  4. Step 4: Simplify right side
    10,390.41x = 84,804,294.73
  5. Step 5: Solve for x
    x = 84,804,294.73/10,390.41
  6. Step 6: Final answer
    x = 8,161.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.