Home / 13,247.16-19,872.90-4,011

Finding the Fourth Proportional to 13,247.16, 19,872.90 and 4,011

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Solution

The fourth proportional to 13,247.16, 19,872.90 and 4,011 is: 6,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.16 : 19,872.90 = 4,011 : x
  2. Step 2: Convert to fraction form
    13,247.16/19,872.90 = 4,011/x
  3. Step 3: Cross multiply
    13,247.16x = 19,872.90 × 4,011
  4. Step 4: Simplify right side
    13,247.16x = 79,710,201.90
  5. Step 5: Solve for x
    x = 79,710,201.90/13,247.16
  6. Step 6: Final answer
    x = 6,017.15

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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.