Home / 12,352.34-18,522.90-5,329.04

Finding the Fourth Proportional to 12,352.34, 18,522.90 and 5,329.04

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Solution

The fourth proportional to 12,352.34, 18,522.90 and 5,329.04 is: 7,991.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,352.34 : 18,522.90 = 5,329.04 : x
  2. Step 2: Convert to fraction form
    12,352.34/18,522.90 = 5,329.04/x
  3. Step 3: Cross multiply
    12,352.34x = 18,522.90 × 5,329.04
  4. Step 4: Simplify right side
    12,352.34x = 98,709,275.02
  5. Step 5: Solve for x
    x = 98,709,275.02/12,352.34
  6. Step 6: Final answer
    x = 7,991.14

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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.