Home / 9,981.76-14,972.70-4,433.60

Finding the Fourth Proportional to 9,981.76, 14,972.70 and 4,433.60

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Solution

The fourth proportional to 9,981.76, 14,972.70 and 4,433.60 is: 6,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.76 : 14,972.70 = 4,433.60 : x
  2. Step 2: Convert to fraction form
    9,981.76/14,972.70 = 4,433.60/x
  3. Step 3: Cross multiply
    9,981.76x = 14,972.70 × 4,433.60
  4. Step 4: Simplify right side
    9,981.76x = 66,382,962.72
  5. Step 5: Solve for x
    x = 66,382,962.72/9,981.76
  6. Step 6: Final answer
    x = 6,650.43

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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.