Home / 9,153.88-12,628.78-5,970.92

Finding the Fourth Proportional to 9,153.88, 12,628.78 and 5,970.92

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Solution

The fourth proportional to 9,153.88, 12,628.78 and 5,970.92 is: 8,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.88 : 12,628.78 = 5,970.92 : x
  2. Step 2: Convert to fraction form
    9,153.88/12,628.78 = 5,970.92/x
  3. Step 3: Cross multiply
    9,153.88x = 12,628.78 × 5,970.92
  4. Step 4: Simplify right side
    9,153.88x = 75,405,357.01
  5. Step 5: Solve for x
    x = 75,405,357.01/9,153.88
  6. Step 6: Final answer
    x = 8,237.53

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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.