Home / 6,916.17-9,545.12-3,932.45

Finding the Fourth Proportional to 6,916.17, 9,545.12 and 3,932.45

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Solution

The fourth proportional to 6,916.17, 9,545.12 and 3,932.45 is: 5,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.17 : 9,545.12 = 3,932.45 : x
  2. Step 2: Convert to fraction form
    6,916.17/9,545.12 = 3,932.45/x
  3. Step 3: Cross multiply
    6,916.17x = 9,545.12 × 3,932.45
  4. Step 4: Simplify right side
    6,916.17x = 37,535,687.53
  5. Step 5: Solve for x
    x = 37,535,687.53/6,916.17
  6. Step 6: Final answer
    x = 5,427.24

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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.