Home / 10,517.84-14,515.48-5,803.12

Finding the Fourth Proportional to 10,517.84, 14,515.48 and 5,803.12

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Solution

The fourth proportional to 10,517.84, 14,515.48 and 5,803.12 is: 8,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,517.84 : 14,515.48 = 5,803.12 : x
  2. Step 2: Convert to fraction form
    10,517.84/14,515.48 = 5,803.12/x
  3. Step 3: Cross multiply
    10,517.84x = 14,515.48 × 5,803.12
  4. Step 4: Simplify right side
    10,517.84x = 84,235,072.30
  5. Step 5: Solve for x
    x = 84,235,072.30/10,517.84
  6. Step 6: Final answer
    x = 8,008.78

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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.