Home / 11,545.46-17,307.80-4,148.18

Finding the Fourth Proportional to 11,545.46, 17,307.80 and 4,148.18

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Solution

The fourth proportional to 11,545.46, 17,307.80 and 4,148.18 is: 6,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.46 : 17,307.80 = 4,148.18 : x
  2. Step 2: Convert to fraction form
    11,545.46/17,307.80 = 4,148.18/x
  3. Step 3: Cross multiply
    11,545.46x = 17,307.80 × 4,148.18
  4. Step 4: Simplify right side
    11,545.46x = 71,795,869.80
  5. Step 5: Solve for x
    x = 71,795,869.80/11,545.46
  6. Step 6: Final answer
    x = 6,218.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.