Home / 10,230.84-14,119.08-5,755.32

Finding the Fourth Proportional to 10,230.84, 14,119.08 and 5,755.32

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Solution

The fourth proportional to 10,230.84, 14,119.08 and 5,755.32 is: 7,942.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.84 : 14,119.08 = 5,755.32 : x
  2. Step 2: Convert to fraction form
    10,230.84/14,119.08 = 5,755.32/x
  3. Step 3: Cross multiply
    10,230.84x = 14,119.08 × 5,755.32
  4. Step 4: Simplify right side
    10,230.84x = 81,259,823.51
  5. Step 5: Solve for x
    x = 81,259,823.51/10,230.84
  6. Step 6: Final answer
    x = 7,942.63

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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.