Home / 10,936.30-16,400.35-5,088.81

Finding the Fourth Proportional to 10,936.30, 16,400.35 and 5,088.81

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Solution

The fourth proportional to 10,936.30, 16,400.35 and 5,088.81 is: 7,631.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,936.30 : 16,400.35 = 5,088.81 : x
  2. Step 2: Convert to fraction form
    10,936.30/16,400.35 = 5,088.81/x
  3. Step 3: Cross multiply
    10,936.30x = 16,400.35 × 5,088.81
  4. Step 4: Simplify right side
    10,936.30x = 83,458,265.08
  5. Step 5: Solve for x
    x = 83,458,265.08/10,936.30
  6. Step 6: Final answer
    x = 7,631.31

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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.