Home / 9,260.80-12,777.87-5,482.09

Finding the Fourth Proportional to 9,260.80, 12,777.87 and 5,482.09

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Solution

The fourth proportional to 9,260.80, 12,777.87 and 5,482.09 is: 7,564.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,260.80 : 12,777.87 = 5,482.09 : x
  2. Step 2: Convert to fraction form
    9,260.80/12,777.87 = 5,482.09/x
  3. Step 3: Cross multiply
    9,260.80x = 12,777.87 × 5,482.09
  4. Step 4: Simplify right side
    9,260.80x = 70,049,433.35
  5. Step 5: Solve for x
    x = 70,049,433.35/9,260.80
  6. Step 6: Final answer
    x = 7,564.08

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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.