Home / 12,973.79-19,463.42-4,208.01

Finding the Fourth Proportional to 12,973.79, 19,463.42 and 4,208.01

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Solution

The fourth proportional to 12,973.79, 19,463.42 and 4,208.01 is: 6,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973.79 : 19,463.42 = 4,208.01 : x
  2. Step 2: Convert to fraction form
    12,973.79/19,463.42 = 4,208.01/x
  3. Step 3: Cross multiply
    12,973.79x = 19,463.42 × 4,208.01
  4. Step 4: Simplify right side
    12,973.79x = 81,902,244.95
  5. Step 5: Solve for x
    x = 81,902,244.95/12,973.79
  6. Step 6: Final answer
    x = 6,312.90

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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.