Home / 10,688.70-16,033.05-6,784.62

Finding the Fourth Proportional to 10,688.70, 16,033.05 and 6,784.62

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Solution

The fourth proportional to 10,688.70, 16,033.05 and 6,784.62 is: 10,176.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,688.70 : 16,033.05 = 6,784.62 : x
  2. Step 2: Convert to fraction form
    10,688.70/16,033.05 = 6,784.62/x
  3. Step 3: Cross multiply
    10,688.70x = 16,033.05 × 6,784.62
  4. Step 4: Simplify right side
    10,688.70x = 108,778,151.69
  5. Step 5: Solve for x
    x = 108,778,151.69/10,688.70
  6. Step 6: Final answer
    x = 10,176.93

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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.