Home / 10,740.48-16,112.64-3,813.12

Finding the Fourth Proportional to 10,740.48, 16,112.64 and 3,813.12

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Solution

The fourth proportional to 10,740.48, 16,112.64 and 3,813.12 is: 5,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,740.48 : 16,112.64 = 3,813.12 : x
  2. Step 2: Convert to fraction form
    10,740.48/16,112.64 = 3,813.12/x
  3. Step 3: Cross multiply
    10,740.48x = 16,112.64 × 3,813.12
  4. Step 4: Simplify right side
    10,740.48x = 61,439,429.84
  5. Step 5: Solve for x
    x = 61,439,429.84/10,740.48
  6. Step 6: Final answer
    x = 5,720.36

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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.