Home / 9,319.23-12,863.25-5,545.06

Finding the Fourth Proportional to 9,319.23, 12,863.25 and 5,545.06

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Solution

The fourth proportional to 9,319.23, 12,863.25 and 5,545.06 is: 7,653.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.23 : 12,863.25 = 5,545.06 : x
  2. Step 2: Convert to fraction form
    9,319.23/12,863.25 = 5,545.06/x
  3. Step 3: Cross multiply
    9,319.23x = 12,863.25 × 5,545.06
  4. Step 4: Simplify right side
    9,319.23x = 71,327,460.89
  5. Step 5: Solve for x
    x = 71,327,460.89/9,319.23
  6. Step 6: Final answer
    x = 7,653.79

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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.