Home / 10,474.60-15,711.88-2,683.40

Finding the Fourth Proportional to 10,474.60, 15,711.88 and 2,683.40

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Solution

The fourth proportional to 10,474.60, 15,711.88 and 2,683.40 is: 4,025.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,474.60 : 15,711.88 = 2,683.40 : x
  2. Step 2: Convert to fraction form
    10,474.60/15,711.88 = 2,683.40/x
  3. Step 3: Cross multiply
    10,474.60x = 15,711.88 × 2,683.40
  4. Step 4: Simplify right side
    10,474.60x = 42,161,258.79
  5. Step 5: Solve for x
    x = 42,161,258.79/10,474.60
  6. Step 6: Final answer
    x = 4,025.09

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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.