Home / 10,208.94-14,088.32-5,732.78

Finding the Fourth Proportional to 10,208.94, 14,088.32 and 5,732.78

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Solution

The fourth proportional to 10,208.94, 14,088.32 and 5,732.78 is: 7,911.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.94 : 14,088.32 = 5,732.78 : x
  2. Step 2: Convert to fraction form
    10,208.94/14,088.32 = 5,732.78/x
  3. Step 3: Cross multiply
    10,208.94x = 14,088.32 × 5,732.78
  4. Step 4: Simplify right side
    10,208.94x = 80,765,239.13
  5. Step 5: Solve for x
    x = 80,765,239.13/10,208.94
  6. Step 6: Final answer
    x = 7,911.23

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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.