Home / 13,112.12-19,671.03-4,792.13

Finding the Fourth Proportional to 13,112.12, 19,671.03 and 4,792.13

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Solution

The fourth proportional to 13,112.12, 19,671.03 and 4,792.13 is: 7,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,112.12 : 19,671.03 = 4,792.13 : x
  2. Step 2: Convert to fraction form
    13,112.12/19,671.03 = 4,792.13/x
  3. Step 3: Cross multiply
    13,112.12x = 19,671.03 × 4,792.13
  4. Step 4: Simplify right side
    13,112.12x = 94,266,132.99
  5. Step 5: Solve for x
    x = 94,266,132.99/13,112.12
  6. Step 6: Final answer
    x = 7,189.24

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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.