Home / 12,973.66-19,460.48-4,208.57

Finding the Fourth Proportional to 12,973.66, 19,460.48 and 4,208.57

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Solution

The fourth proportional to 12,973.66, 19,460.48 and 4,208.57 is: 6,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973.66 : 19,460.48 = 4,208.57 : x
  2. Step 2: Convert to fraction form
    12,973.66/19,460.48 = 4,208.57/x
  3. Step 3: Cross multiply
    12,973.66x = 19,460.48 × 4,208.57
  4. Step 4: Simplify right side
    12,973.66x = 81,900,792.31
  5. Step 5: Solve for x
    x = 81,900,792.31/12,973.66
  6. Step 6: Final answer
    x = 6,312.85

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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.