Home / 6,916.70-9,545.14-3,772.89

Finding the Fourth Proportional to 6,916.70, 9,545.14 and 3,772.89

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Solution

The fourth proportional to 6,916.70, 9,545.14 and 3,772.89 is: 5,206.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.70 : 9,545.14 = 3,772.89 : x
  2. Step 2: Convert to fraction form
    6,916.70/9,545.14 = 3,772.89/x
  3. Step 3: Cross multiply
    6,916.70x = 9,545.14 × 3,772.89
  4. Step 4: Simplify right side
    6,916.70x = 36,012,715.53
  5. Step 5: Solve for x
    x = 36,012,715.53/6,916.70
  6. Step 6: Final answer
    x = 5,206.63

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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.