Home / 9,916.05-13,683.15-6,376.62

Finding the Fourth Proportional to 9,916.05, 13,683.15 and 6,376.62

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Solution

The fourth proportional to 9,916.05, 13,683.15 and 6,376.62 is: 8,799.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.05 : 13,683.15 = 6,376.62 : x
  2. Step 2: Convert to fraction form
    9,916.05/13,683.15 = 6,376.62/x
  3. Step 3: Cross multiply
    9,916.05x = 13,683.15 × 6,376.62
  4. Step 4: Simplify right side
    9,916.05x = 87,252,247.95
  5. Step 5: Solve for x
    x = 87,252,247.95/9,916.05
  6. Step 6: Final answer
    x = 8,799.09

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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.