Home / 11,671.49-17,510.70-5,435.18

Finding the Fourth Proportional to 11,671.49, 17,510.70 and 5,435.18

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Solution

The fourth proportional to 11,671.49, 17,510.70 and 5,435.18 is: 8,154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.49 : 17,510.70 = 5,435.18 : x
  2. Step 2: Convert to fraction form
    11,671.49/17,510.70 = 5,435.18/x
  3. Step 3: Cross multiply
    11,671.49x = 17,510.70 × 5,435.18
  4. Step 4: Simplify right side
    11,671.49x = 95,173,806.43
  5. Step 5: Solve for x
    x = 95,173,806.43/11,671.49
  6. Step 6: Final answer
    x = 8,154.38

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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.