Home / 13,083.12-19,612.53-4,316.09

Finding the Fourth Proportional to 13,083.12, 19,612.53 and 4,316.09

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Solution

The fourth proportional to 13,083.12, 19,612.53 and 4,316.09 is: 6,470.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.12 : 19,612.53 = 4,316.09 : x
  2. Step 2: Convert to fraction form
    13,083.12/19,612.53 = 4,316.09/x
  3. Step 3: Cross multiply
    13,083.12x = 19,612.53 × 4,316.09
  4. Step 4: Simplify right side
    13,083.12x = 84,649,346.55
  5. Step 5: Solve for x
    x = 84,649,346.55/13,083.12
  6. Step 6: Final answer
    x = 6,470.12

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1.5x scale

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.