Home / 9,964.08-13,750.56-5,771.52

Finding the Fourth Proportional to 9,964.08, 13,750.56 and 5,771.52

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Solution

The fourth proportional to 9,964.08, 13,750.56 and 5,771.52 is: 7,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.08 : 13,750.56 = 5,771.52 : x
  2. Step 2: Convert to fraction form
    9,964.08/13,750.56 = 5,771.52/x
  3. Step 3: Cross multiply
    9,964.08x = 13,750.56 × 5,771.52
  4. Step 4: Simplify right side
    9,964.08x = 79,361,632.05
  5. Step 5: Solve for x
    x = 79,361,632.05/9,964.08
  6. Step 6: Final answer
    x = 7,964.77

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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.