Home / 10,258.60-15,378.64-3,683.24

Finding the Fourth Proportional to 10,258.60, 15,378.64 and 3,683.24

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Solution

The fourth proportional to 10,258.60, 15,378.64 and 3,683.24 is: 5,521.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,258.60 : 15,378.64 = 3,683.24 : x
  2. Step 2: Convert to fraction form
    10,258.60/15,378.64 = 3,683.24/x
  3. Step 3: Cross multiply
    10,258.60x = 15,378.64 × 3,683.24
  4. Step 4: Simplify right side
    10,258.60x = 56,643,221.99
  5. Step 5: Solve for x
    x = 56,643,221.99/10,258.60
  6. Step 6: Final answer
    x = 5,521.54

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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.