Home / 10,358.12-15,544.20-3,784.70

Finding the Fourth Proportional to 10,358.12, 15,544.20 and 3,784.70

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Solution

The fourth proportional to 10,358.12, 15,544.20 and 3,784.70 is: 5,679.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.12 : 15,544.20 = 3,784.70 : x
  2. Step 2: Convert to fraction form
    10,358.12/15,544.20 = 3,784.70/x
  3. Step 3: Cross multiply
    10,358.12x = 15,544.20 × 3,784.70
  4. Step 4: Simplify right side
    10,358.12x = 58,830,133.74
  5. Step 5: Solve for x
    x = 58,830,133.74/10,358.12
  6. Step 6: Final answer
    x = 5,679.62

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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.