Home / 9,545.31-13,168.62-6,886.89

Finding the Fourth Proportional to 9,545.31, 13,168.62 and 6,886.89

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Solution

The fourth proportional to 9,545.31, 13,168.62 and 6,886.89 is: 9,501.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,545.31 : 13,168.62 = 6,886.89 : x
  2. Step 2: Convert to fraction form
    9,545.31/13,168.62 = 6,886.89/x
  3. Step 3: Cross multiply
    9,545.31x = 13,168.62 × 6,886.89
  4. Step 4: Simplify right side
    9,545.31x = 90,690,837.39
  5. Step 5: Solve for x
    x = 90,690,837.39/9,545.31
  6. Step 6: Final answer
    x = 9,501.09

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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.