Home / 8,946.87-13,415.73-5,256.30

Finding the Fourth Proportional to 8,946.87, 13,415.73 and 5,256.30

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Solution

The fourth proportional to 8,946.87, 13,415.73 and 5,256.30 is: 7,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.87 : 13,415.73 = 5,256.30 : x
  2. Step 2: Convert to fraction form
    8,946.87/13,415.73 = 5,256.30/x
  3. Step 3: Cross multiply
    8,946.87x = 13,415.73 × 5,256.30
  4. Step 4: Simplify right side
    8,946.87x = 70,517,101.60
  5. Step 5: Solve for x
    x = 70,517,101.60/8,946.87
  6. Step 6: Final answer
    x = 7,881.76

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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.