Home / 9,729.93-13,427.46-5,751.42

Finding the Fourth Proportional to 9,729.93, 13,427.46 and 5,751.42

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Solution

The fourth proportional to 9,729.93, 13,427.46 and 5,751.42 is: 7,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,729.93 : 13,427.46 = 5,751.42 : x
  2. Step 2: Convert to fraction form
    9,729.93/13,427.46 = 5,751.42/x
  3. Step 3: Cross multiply
    9,729.93x = 13,427.46 × 5,751.42
  4. Step 4: Simplify right side
    9,729.93x = 77,226,961.99
  5. Step 5: Solve for x
    x = 77,226,961.99/9,729.93
  6. Step 6: Final answer
    x = 7,937.05

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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.