Home / 10,740.89-16,101.62-3,813.77

Finding the Fourth Proportional to 10,740.89, 16,101.62 and 3,813.77

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Solution

The fourth proportional to 10,740.89, 16,101.62 and 3,813.77 is: 5,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.89 : 16,101.62 = 3,813.77 : x
  2. Step 2: Convert to fraction form
    10,740.89/16,101.62 = 3,813.77/x
  3. Step 3: Cross multiply
    10,740.89x = 16,101.62 × 3,813.77
  4. Step 4: Simplify right side
    10,740.89x = 61,407,875.31
  5. Step 5: Solve for x
    x = 61,407,875.31/10,740.89
  6. Step 6: Final answer
    x = 5,717.21

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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.