Home / 11,857.15-17,792.84-4,740.11

Finding the Fourth Proportional to 11,857.15, 17,792.84 and 4,740.11

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Solution

The fourth proportional to 11,857.15, 17,792.84 and 4,740.11 is: 7,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,857.15 : 17,792.84 = 4,740.11 : x
  2. Step 2: Convert to fraction form
    11,857.15/17,792.84 = 4,740.11/x
  3. Step 3: Cross multiply
    11,857.15x = 17,792.84 × 4,740.11
  4. Step 4: Simplify right side
    11,857.15x = 84,340,108.51
  5. Step 5: Solve for x
    x = 84,340,108.51/11,857.15
  6. Step 6: Final answer
    x = 7,113.02

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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.