Home / 8,956.24-13,436.79-3,113.17

Finding the Fourth Proportional to 8,956.24, 13,436.79 and 3,113.17

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Solution

The fourth proportional to 8,956.24, 13,436.79 and 3,113.17 is: 4,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.24 : 13,436.79 = 3,113.17 : x
  2. Step 2: Convert to fraction form
    8,956.24/13,436.79 = 3,113.17/x
  3. Step 3: Cross multiply
    8,956.24x = 13,436.79 × 3,113.17
  4. Step 4: Simplify right side
    8,956.24x = 41,831,011.52
  5. Step 5: Solve for x
    x = 41,831,011.52/8,956.24
  6. Step 6: Final answer
    x = 4,670.60

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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.