Home / 9,755.12-13,461.09-5,505.80

Finding the Fourth Proportional to 9,755.12, 13,461.09 and 5,505.80

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Solution

The fourth proportional to 9,755.12, 13,461.09 and 5,505.80 is: 7,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,755.12 : 13,461.09 = 5,505.80 : x
  2. Step 2: Convert to fraction form
    9,755.12/13,461.09 = 5,505.80/x
  3. Step 3: Cross multiply
    9,755.12x = 13,461.09 × 5,505.80
  4. Step 4: Simplify right side
    9,755.12x = 74,114,069.32
  5. Step 5: Solve for x
    x = 74,114,069.32/9,755.12
  6. Step 6: Final answer
    x = 7,597.45

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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.