Home / 10,916.50-15,066.36-6,136.83

Finding the Fourth Proportional to 10,916.50, 15,066.36 and 6,136.83

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Solution

The fourth proportional to 10,916.50, 15,066.36 and 6,136.83 is: 8,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.50 : 15,066.36 = 6,136.83 : x
  2. Step 2: Convert to fraction form
    10,916.50/15,066.36 = 6,136.83/x
  3. Step 3: Cross multiply
    10,916.50x = 15,066.36 × 6,136.83
  4. Step 4: Simplify right side
    10,916.50x = 92,459,746.54
  5. Step 5: Solve for x
    x = 92,459,746.54/10,916.50
  6. Step 6: Final answer
    x = 8,469.73

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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.