Home / 7,771.24-11,628.16-4,653.45

Finding the Fourth Proportional to 7,771.24, 11,628.16 and 4,653.45

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Solution

The fourth proportional to 7,771.24, 11,628.16 and 4,653.45 is: 6,962.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.24 : 11,628.16 = 4,653.45 : x
  2. Step 2: Convert to fraction form
    7,771.24/11,628.16 = 4,653.45/x
  3. Step 3: Cross multiply
    7,771.24x = 11,628.16 × 4,653.45
  4. Step 4: Simplify right side
    7,771.24x = 54,111,049.52
  5. Step 5: Solve for x
    x = 54,111,049.52/7,771.24
  6. Step 6: Final answer
    x = 6,962.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.