Home / 6,916.96-9,545.20-3,933.12

Finding the Fourth Proportional to 6,916.96, 9,545.20 and 3,933.12

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Solution

The fourth proportional to 6,916.96, 9,545.20 and 3,933.12 is: 5,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.96 : 9,545.20 = 3,933.12 : x
  2. Step 2: Convert to fraction form
    6,916.96/9,545.20 = 3,933.12/x
  3. Step 3: Cross multiply
    6,916.96x = 9,545.20 × 3,933.12
  4. Step 4: Simplify right side
    6,916.96x = 37,542,417.02
  5. Step 5: Solve for x
    x = 37,542,417.02/6,916.96
  6. Step 6: Final answer
    x = 5,427.59

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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.