Home / 8,528.49-12,755.75-5,010.12

Finding the Fourth Proportional to 8,528.49, 12,755.75 and 5,010.12

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Solution

The fourth proportional to 8,528.49, 12,755.75 and 5,010.12 is: 7,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.49 : 12,755.75 = 5,010.12 : x
  2. Step 2: Convert to fraction form
    8,528.49/12,755.75 = 5,010.12/x
  3. Step 3: Cross multiply
    8,528.49x = 12,755.75 × 5,010.12
  4. Step 4: Simplify right side
    8,528.49x = 63,907,813.14
  5. Step 5: Solve for x
    x = 63,907,813.14/8,528.49
  6. Step 6: Final answer
    x = 7,493.45

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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.