Home / 9,522.85-13,138.35-5,543.12

Finding the Fourth Proportional to 9,522.85, 13,138.35 and 5,543.12

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Solution

The fourth proportional to 9,522.85, 13,138.35 and 5,543.12 is: 7,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,522.85 : 13,138.35 = 5,543.12 : x
  2. Step 2: Convert to fraction form
    9,522.85/13,138.35 = 5,543.12/x
  3. Step 3: Cross multiply
    9,522.85x = 13,138.35 × 5,543.12
  4. Step 4: Simplify right side
    9,522.85x = 72,827,450.65
  5. Step 5: Solve for x
    x = 72,827,450.65/9,522.85
  6. Step 6: Final answer
    x = 7,647.65

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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.