Home / 12,352.76-18,523.46-5,329.40

Finding the Fourth Proportional to 12,352.76, 18,523.46 and 5,329.40

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Solution

The fourth proportional to 12,352.76, 18,523.46 and 5,329.40 is: 7,991.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.76 : 18,523.46 = 5,329.40 : x
  2. Step 2: Convert to fraction form
    12,352.76/18,523.46 = 5,329.40/x
  3. Step 3: Cross multiply
    12,352.76x = 18,523.46 × 5,329.40
  4. Step 4: Simplify right side
    12,352.76x = 98,718,987.36
  5. Step 5: Solve for x
    x = 98,718,987.36/12,352.76
  6. Step 6: Final answer
    x = 7,991.66

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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.