Home / 6,918.71-9,545.33-5,325.85

Finding the Fourth Proportional to 6,918.71, 9,545.33 and 5,325.85

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Solution

The fourth proportional to 6,918.71, 9,545.33 and 5,325.85 is: 7,347.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.71 : 9,545.33 = 5,325.85 : x
  2. Step 2: Convert to fraction form
    6,918.71/9,545.33 = 5,325.85/x
  3. Step 3: Cross multiply
    6,918.71x = 9,545.33 × 5,325.85
  4. Step 4: Simplify right side
    6,918.71x = 50,836,921.42
  5. Step 5: Solve for x
    x = 50,836,921.42/6,918.71
  6. Step 6: Final answer
    x = 7,347.75

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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.