Home / 7,288.14-10,931.79-4,364.46

Finding the Fourth Proportional to 7,288.14, 10,931.79 and 4,364.46

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Solution

The fourth proportional to 7,288.14, 10,931.79 and 4,364.46 is: 6,546.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288.14 : 10,931.79 = 4,364.46 : x
  2. Step 2: Convert to fraction form
    7,288.14/10,931.79 = 4,364.46/x
  3. Step 3: Cross multiply
    7,288.14x = 10,931.79 × 4,364.46
  4. Step 4: Simplify right side
    7,288.14x = 47,711,360.18
  5. Step 5: Solve for x
    x = 47,711,360.18/7,288.14
  6. Step 6: Final answer
    x = 6,546.44

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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.