Home / 9,687.30-14,532.30-4,140.60

Finding the Fourth Proportional to 9,687.30, 14,532.30 and 4,140.60

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Solution

The fourth proportional to 9,687.30, 14,532.30 and 4,140.60 is: 6,211.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.30 : 14,532.30 = 4,140.60 : x
  2. Step 2: Convert to fraction form
    9,687.30/14,532.30 = 4,140.60/x
  3. Step 3: Cross multiply
    9,687.30x = 14,532.30 × 4,140.60
  4. Step 4: Simplify right side
    9,687.30x = 60,172,441.38
  5. Step 5: Solve for x
    x = 60,172,441.38/9,687.30
  6. Step 6: Final answer
    x = 6,211.48

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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.