Home / 9,305.31-12,842.12-5,114.43

Finding the Fourth Proportional to 9,305.31, 12,842.12 and 5,114.43

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Solution

The fourth proportional to 9,305.31, 12,842.12 and 5,114.43 is: 7,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305.31 : 12,842.12 = 5,114.43 : x
  2. Step 2: Convert to fraction form
    9,305.31/12,842.12 = 5,114.43/x
  3. Step 3: Cross multiply
    9,305.31x = 12,842.12 × 5,114.43
  4. Step 4: Simplify right side
    9,305.31x = 65,680,098.22
  5. Step 5: Solve for x
    x = 65,680,098.22/9,305.31
  6. Step 6: Final answer
    x = 7,058.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.