Home / 12,758.34-19,118.07-5,824.74

Finding the Fourth Proportional to 12,758.34, 19,118.07 and 5,824.74

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Solution

The fourth proportional to 12,758.34, 19,118.07 and 5,824.74 is: 8,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,758.34 : 19,118.07 = 5,824.74 : x
  2. Step 2: Convert to fraction form
    12,758.34/19,118.07 = 5,824.74/x
  3. Step 3: Cross multiply
    12,758.34x = 19,118.07 × 5,824.74
  4. Step 4: Simplify right side
    12,758.34x = 111,357,787.05
  5. Step 5: Solve for x
    x = 111,357,787.05/12,758.34
  6. Step 6: Final answer
    x = 8,728.23

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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.