Home / 9,981.64-14,971.92-3,056.16

Finding the Fourth Proportional to 9,981.64, 14,971.92 and 3,056.16

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Solution

The fourth proportional to 9,981.64, 14,971.92 and 3,056.16 is: 4,584.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.64 : 14,971.92 = 3,056.16 : x
  2. Step 2: Convert to fraction form
    9,981.64/14,971.92 = 3,056.16/x
  3. Step 3: Cross multiply
    9,981.64x = 14,971.92 × 3,056.16
  4. Step 4: Simplify right side
    9,981.64x = 45,756,583.03
  5. Step 5: Solve for x
    x = 45,756,583.03/9,981.64
  6. Step 6: Final answer
    x = 4,584.07

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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.