Home / 9,729.53-13,427.08-5,754.05

Finding the Fourth Proportional to 9,729.53, 13,427.08 and 5,754.05

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Solution

The fourth proportional to 9,729.53, 13,427.08 and 5,754.05 is: 7,940.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,729.53 : 13,427.08 = 5,754.05 : x
  2. Step 2: Convert to fraction form
    9,729.53/13,427.08 = 5,754.05/x
  3. Step 3: Cross multiply
    9,729.53x = 13,427.08 × 5,754.05
  4. Step 4: Simplify right side
    9,729.53x = 77,260,017.74
  5. Step 5: Solve for x
    x = 77,260,017.74/9,729.53
  6. Step 6: Final answer
    x = 7,940.78

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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.