Home / 10,318.12-15,476.52-2,923.56

Finding the Fourth Proportional to 10,318.12, 15,476.52 and 2,923.56

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Solution

The fourth proportional to 10,318.12, 15,476.52 and 2,923.56 is: 4,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.12 : 15,476.52 = 2,923.56 : x
  2. Step 2: Convert to fraction form
    10,318.12/15,476.52 = 2,923.56/x
  3. Step 3: Cross multiply
    10,318.12x = 15,476.52 × 2,923.56
  4. Step 4: Simplify right side
    10,318.12x = 45,246,534.81
  5. Step 5: Solve for x
    x = 45,246,534.81/10,318.12
  6. Step 6: Final answer
    x = 4,385.15

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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.