Home / 6,916.80-9,545.16-3,772.96

Finding the Fourth Proportional to 6,916.80, 9,545.16 and 3,772.96

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Solution

The fourth proportional to 6,916.80, 9,545.16 and 3,772.96 is: 5,206.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.80 : 9,545.16 = 3,772.96 : x
  2. Step 2: Convert to fraction form
    6,916.80/9,545.16 = 3,772.96/x
  3. Step 3: Cross multiply
    6,916.80x = 9,545.16 × 3,772.96
  4. Step 4: Simplify right side
    6,916.80x = 36,013,506.87
  5. Step 5: Solve for x
    x = 36,013,506.87/6,916.80
  6. Step 6: Final answer
    x = 5,206.67

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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.