Home / 9,259.88-12,776.76-5,481.16

Finding the Fourth Proportional to 9,259.88, 12,776.76 and 5,481.16

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Solution

The fourth proportional to 9,259.88, 12,776.76 and 5,481.16 is: 7,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259.88 : 12,776.76 = 5,481.16 : x
  2. Step 2: Convert to fraction form
    9,259.88/12,776.76 = 5,481.16/x
  3. Step 3: Cross multiply
    9,259.88x = 12,776.76 × 5,481.16
  4. Step 4: Simplify right side
    9,259.88x = 70,031,465.84
  5. Step 5: Solve for x
    x = 70,031,465.84/9,259.88
  6. Step 6: Final answer
    x = 7,562.89

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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.