Home / 10,396.36-14,346.34-5,920.30

Finding the Fourth Proportional to 10,396.36, 14,346.34 and 5,920.30

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Solution

The fourth proportional to 10,396.36, 14,346.34 and 5,920.30 is: 8,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.36 : 14,346.34 = 5,920.30 : x
  2. Step 2: Convert to fraction form
    10,396.36/14,346.34 = 5,920.30/x
  3. Step 3: Cross multiply
    10,396.36x = 14,346.34 × 5,920.30
  4. Step 4: Simplify right side
    10,396.36x = 84,934,636.70
  5. Step 5: Solve for x
    x = 84,934,636.70/10,396.36
  6. Step 6: Final answer
    x = 8,169.65

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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.