Home / 9,757.15-13,464.85-5,280.90

Finding the Fourth Proportional to 9,757.15, 13,464.85 and 5,280.90

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Solution

The fourth proportional to 9,757.15, 13,464.85 and 5,280.90 is: 7,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,757.15 : 13,464.85 = 5,280.90 : x
  2. Step 2: Convert to fraction form
    9,757.15/13,464.85 = 5,280.90/x
  3. Step 3: Cross multiply
    9,757.15x = 13,464.85 × 5,280.90
  4. Step 4: Simplify right side
    9,757.15x = 71,106,526.37
  5. Step 5: Solve for x
    x = 71,106,526.37/9,757.15
  6. Step 6: Final answer
    x = 7,287.63

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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.