Home / 9,915.49-14,872.81-3,341.65

Finding the Fourth Proportional to 9,915.49, 14,872.81 and 3,341.65

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Solution

The fourth proportional to 9,915.49, 14,872.81 and 3,341.65 is: 5,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,915.49 : 14,872.81 = 3,341.65 : x
  2. Step 2: Convert to fraction form
    9,915.49/14,872.81 = 3,341.65/x
  3. Step 3: Cross multiply
    9,915.49x = 14,872.81 × 3,341.65
  4. Step 4: Simplify right side
    9,915.49x = 49,699,725.54
  5. Step 5: Solve for x
    x = 49,699,725.54/9,915.49
  6. Step 6: Final answer
    x = 5,012.33

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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.