Home / 9,729.36-14,608.56-5,574.06

Finding the Fourth Proportional to 9,729.36, 14,608.56 and 5,574.06

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Solution

The fourth proportional to 9,729.36, 14,608.56 and 5,574.06 is: 8,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,729.36 : 14,608.56 = 5,574.06 : x
  2. Step 2: Convert to fraction form
    9,729.36/14,608.56 = 5,574.06/x
  3. Step 3: Cross multiply
    9,729.36x = 14,608.56 × 5,574.06
  4. Step 4: Simplify right side
    9,729.36x = 81,428,989.95
  5. Step 5: Solve for x
    x = 81,428,989.95/9,729.36
  6. Step 6: Final answer
    x = 8,369.41

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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.