Home / 9,986.74-14,981.44-3,411.16

Finding the Fourth Proportional to 9,986.74, 14,981.44 and 3,411.16

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Solution

The fourth proportional to 9,986.74, 14,981.44 and 3,411.16 is: 5,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.74 : 14,981.44 = 3,411.16 : x
  2. Step 2: Convert to fraction form
    9,986.74/14,981.44 = 3,411.16/x
  3. Step 3: Cross multiply
    9,986.74x = 14,981.44 × 3,411.16
  4. Step 4: Simplify right side
    9,986.74x = 51,104,088.87
  5. Step 5: Solve for x
    x = 51,104,088.87/9,986.74
  6. Step 6: Final answer
    x = 5,117.19

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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.