Home / 10,923.20-15,074.01-5,955.20

Finding the Fourth Proportional to 10,923.20, 15,074.01 and 5,955.20

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Solution

The fourth proportional to 10,923.20, 15,074.01 and 5,955.20 is: 8,218.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.20 : 15,074.01 = 5,955.20 : x
  2. Step 2: Convert to fraction form
    10,923.20/15,074.01 = 5,955.20/x
  3. Step 3: Cross multiply
    10,923.20x = 15,074.01 × 5,955.20
  4. Step 4: Simplify right side
    10,923.20x = 89,768,668.98
  5. Step 5: Solve for x
    x = 89,768,668.98/10,923.20
  6. Step 6: Final answer
    x = 8,218.17

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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.