Home / 9,750.37-13,455.51-5,274.12

Finding the Fourth Proportional to 9,750.37, 13,455.51 and 5,274.12

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Solution

The fourth proportional to 9,750.37, 13,455.51 and 5,274.12 is: 7,278.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,750.37 : 13,455.51 = 5,274.12 : x
  2. Step 2: Convert to fraction form
    9,750.37/13,455.51 = 5,274.12/x
  3. Step 3: Cross multiply
    9,750.37x = 13,455.51 × 5,274.12
  4. Step 4: Simplify right side
    9,750.37x = 70,965,974.40
  5. Step 5: Solve for x
    x = 70,965,974.40/9,750.37
  6. Step 6: Final answer
    x = 7,278.29

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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.