Home / 6,792.12-9,373.47-3,807.78

Finding the Fourth Proportional to 6,792.12, 9,373.47 and 3,807.78

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Solution

The fourth proportional to 6,792.12, 9,373.47 and 3,807.78 is: 5,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,792.12 : 9,373.47 = 3,807.78 : x
  2. Step 2: Convert to fraction form
    6,792.12/9,373.47 = 3,807.78/x
  3. Step 3: Cross multiply
    6,792.12x = 9,373.47 × 3,807.78
  4. Step 4: Simplify right side
    6,792.12x = 35,692,083.59
  5. Step 5: Solve for x
    x = 35,692,083.59/6,792.12
  6. Step 6: Final answer
    x = 5,254.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.