Home / 9,962.46-13,747.28-5,486.40

Finding the Fourth Proportional to 9,962.46, 13,747.28 and 5,486.40

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Solution

The fourth proportional to 9,962.46, 13,747.28 and 5,486.40 is: 7,570.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.46 : 13,747.28 = 5,486.40 : x
  2. Step 2: Convert to fraction form
    9,962.46/13,747.28 = 5,486.40/x
  3. Step 3: Cross multiply
    9,962.46x = 13,747.28 × 5,486.40
  4. Step 4: Simplify right side
    9,962.46x = 75,423,049.56
  5. Step 5: Solve for x
    x = 75,423,049.56/9,962.46
  6. Step 6: Final answer
    x = 7,570.73

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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.