Home / 9,577.37-13,216.51-5,328.21

Finding the Fourth Proportional to 9,577.37, 13,216.51 and 5,328.21

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Solution

The fourth proportional to 9,577.37, 13,216.51 and 5,328.21 is: 7,352.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,577.37 : 13,216.51 = 5,328.21 : x
  2. Step 2: Convert to fraction form
    9,577.37/13,216.51 = 5,328.21/x
  3. Step 3: Cross multiply
    9,577.37x = 13,216.51 × 5,328.21
  4. Step 4: Simplify right side
    9,577.37x = 70,420,274.66
  5. Step 5: Solve for x
    x = 70,420,274.66/9,577.37
  6. Step 6: Final answer
    x = 7,352.78

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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.