Home / 9,261.24-12,780.36-5,282.34

Finding the Fourth Proportional to 9,261.24, 12,780.36 and 5,282.34

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Solution

The fourth proportional to 9,261.24, 12,780.36 and 5,282.34 is: 7,289.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.24 : 12,780.36 = 5,282.34 : x
  2. Step 2: Convert to fraction form
    9,261.24/12,780.36 = 5,282.34/x
  3. Step 3: Cross multiply
    9,261.24x = 12,780.36 × 5,282.34
  4. Step 4: Simplify right side
    9,261.24x = 67,510,206.84
  5. Step 5: Solve for x
    x = 67,510,206.84/9,261.24
  6. Step 6: Final answer
    x = 7,289.54

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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.