Home / 10,405.40-14,358.46-5,930.24

Finding the Fourth Proportional to 10,405.40, 14,358.46 and 5,930.24

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Solution

The fourth proportional to 10,405.40, 14,358.46 and 5,930.24 is: 8,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,405.40 : 14,358.46 = 5,930.24 : x
  2. Step 2: Convert to fraction form
    10,405.40/14,358.46 = 5,930.24/x
  3. Step 3: Cross multiply
    10,405.40x = 14,358.46 × 5,930.24
  4. Step 4: Simplify right side
    10,405.40x = 85,149,113.83
  5. Step 5: Solve for x
    x = 85,149,113.83/10,405.40
  6. Step 6: Final answer
    x = 8,183.17

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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.