Home / 10,284.60-15,423.21-3,709.02

Finding the Fourth Proportional to 10,284.60, 15,423.21 and 3,709.02

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Solution

The fourth proportional to 10,284.60, 15,423.21 and 3,709.02 is: 5,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,284.60 : 15,423.21 = 3,709.02 : x
  2. Step 2: Convert to fraction form
    10,284.60/15,423.21 = 3,709.02/x
  3. Step 3: Cross multiply
    10,284.60x = 15,423.21 × 3,709.02
  4. Step 4: Simplify right side
    10,284.60x = 57,204,994.35
  5. Step 5: Solve for x
    x = 57,204,994.35/10,284.60
  6. Step 6: Final answer
    x = 5,562.20

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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.