Home / 12,557.66-18,839.52-3,792.06

Finding the Fourth Proportional to 12,557.66, 18,839.52 and 3,792.06

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Solution

The fourth proportional to 12,557.66, 18,839.52 and 3,792.06 is: 5,689.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.66 : 18,839.52 = 3,792.06 : x
  2. Step 2: Convert to fraction form
    12,557.66/18,839.52 = 3,792.06/x
  3. Step 3: Cross multiply
    12,557.66x = 18,839.52 × 3,792.06
  4. Step 4: Simplify right side
    12,557.66x = 71,440,590.21
  5. Step 5: Solve for x
    x = 71,440,590.21/12,557.66
  6. Step 6: Final answer
    x = 5,689.00

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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.