Home / 10,318.91-14,240.81-5,842.70

Finding the Fourth Proportional to 10,318.91, 14,240.81 and 5,842.70

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Solution

The fourth proportional to 10,318.91, 14,240.81 and 5,842.70 is: 8,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.91 : 14,240.81 = 5,842.70 : x
  2. Step 2: Convert to fraction form
    10,318.91/14,240.81 = 5,842.70/x
  3. Step 3: Cross multiply
    10,318.91x = 14,240.81 × 5,842.70
  4. Step 4: Simplify right side
    10,318.91x = 83,204,723.99
  5. Step 5: Solve for x
    x = 83,204,723.99/10,318.91
  6. Step 6: Final answer
    x = 8,063.32

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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.